> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/analytics-alerts/alerts-by-name/x-forefront-antispam-report-has-flagged-this-email-as-a-potential-threat.md).

# X-Forefront-Antispam-Report has flagged this email as a potential threat

### Synopsis

| Field                | Value                                                                 |
| -------------------- | --------------------------------------------------------------------- |
| Activation Period    | 14 Days                                                               |
| Training Period      | 30 Days                                                               |
| Test Period          | N/A (single event)                                                    |
| Deduplication Period | 1 Day                                                                 |
| Required Data        | Microsoft 365 Emails                                                  |
| Detection Modules    | Email                                                                 |
| ATT\&CK Tactic       | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique    | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity             | Informational                                                         |

### Description

This email has been categorized by X-Forefront-Antispam-Report as a threat, suggesting it is likely malicious in nature (e.g., spam, phishing, impersonation, etc.).

### Attacker's Goals

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

### Investigative actions

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

### Variations

<details>

<summary>X-Forefront-Antispam-Report has categorized this email as containing malware (AMP)</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

This email has been classified by X-Forefront-Antispam-Report as containing malware, indicating a high likelihood that it includes malicious content.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has categorized this email as containing malware (MALW)</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

This email has been classified by X-Forefront-Antispam-Report as containing malware, indicating a high likelihood that it includes malicious content.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>Email contains an attachment flagged by X-Forefront-Antispam-Report as malware due to its file type</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has automatically flagged certain attachment types as malware based on file type (without deeper content analysis). This email includes such attachments.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>Email identified by X-Forefront-Antispam-Report as a phishing attempt</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has classified this email as a phishing attempt in its anti-spam headers, indicating a high likelihood that it is designed to deceive the recipient into disclosing sensitive information.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>Email flagged by X-Forefront-Antispam-Report as a highly confident phishing attempt</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has identified this email as a phishing attempt with high confidence in its anti-spam headers, suggesting a significant risk of deceptive intent aimed at stealing sensitive information.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>Email flagged by X-Forefront-Antispam-Report as impersonating internal communication</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has categorized this email as an attempt to mimic or impersonate internal organizational communication, suggesting a potential internal compromise or impersonation attempt.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has strongly flagged this email as spam</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has classified this email as spam with high confidence in its anti-spam headers, indicating it is likely unsolicited and potentially harmful.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report flagged this email as spam</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has classified this email as spam in its anti-spam headers, indicating it is likely unsolicited and potentially harmful.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged this email as a bulk email</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has categorized this email as a bulk message in its anti-spam headers, indicating it is part of mass communication that may be unsolicited or irrelevant to the recipient.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged an internal email as spam</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has classified this email as spam originating from within the organization in its anti-spam headers, indicating a potential internal security issue, such as a compromised account or misconfigured system sending unsolicited messages.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged this email as attempting to forge the sender's identity</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

This email has been classified by X-Forefront-Antispam-Report as spoofing the sender's identity in its anti-spam headers, indicating a high likelihood that the sender's identity has been forged to appear as a trusted source.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged this email as impersonating a specific user within the organization</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has categorized this email as impersonating a specific user within the organization in its anti-spam headers, suggesting a targeted attempt to deceive recipients by mimicking a trusted internal user.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged this email as impersonating the organization's domain</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

This email has been identified by X-Forefront-Antispam-Report as an attempt to impersonate the organization's domain in its anti-spam headers, indicating a deceptive effort to make the email appear as if it originates from the organization's legitimate domain.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged this email as using advanced impersonation techniques</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has categorized this email as using advanced impersonation techniques in its anti-spam headers, indicating the use of sophisticated methods where the sender mimics typical communication patterns to appear credible.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>

<details>

<summary>X-Forefront-Antispam-Report has flagged this email as impersonating a well-known brand</summary>

**Synopsis**

| Field             | Value                                                                 |
| ----------------- | --------------------------------------------------------------------- |
| ATT\&CK Tactic    | Initial Access (TA0001), Defense Evasion (TA0005), Execution (TA0002) |
| ATT\&CK Technique | Phishing (T1566), Impersonation (T1656), User Execution (T1204)       |
| Severity          | Informational                                                         |

**Description**

X-Forefront-Antispam-Report has categorized this email as impersonating a well-known brand in its anti-spam headers, indicating the use of sophisticated methods where the sender mimics typical communication made by legitimate brands to appear credible.

**Attacker's Goals**

Achieve financial gain, distribute malware, or phish for sensitive information through mass unsolicited emails.

**Investigative actions**

* Examine email headers to trace origins and check for signs of spoofing.
* Analyze the email content for spam indicators like suspicious links and aggressive marketing language.
* Monitor further actions taken, such as file downloads or access to potentially malicious links.

</details>


---

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