> 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/email-with-file-sharing-link-containing-auto-download-parameter.md).
# Email with file-sharing link containing auto-download parameter
### Synopsis
| Field | Value |
| -------------------- | ------------------------------------------------------------------------------------ |
| Activation Period | 14 Days |
| Training Period | 30 Days |
| Test Period | N/A (single event) |
| Deduplication Period | 1 Hour 30 Minutes |
| Required Data | Microsoft 365 Emails |
| Detection Modules | Email |
| Detector Tags | Malicious URLs |
| ATT\&CK Tactic | Initial Access (TA0001), Execution (TA0002) |
| ATT\&CK Technique | Phishing: Spearphishing Link (T1566.002), User Execution: Malicious File (T1204.002) |
| Severity | Low |
### Description
The email contains a link to a file-sharing service that includes parameters likely to trigger automatic download.
### Attacker's Goals
The attacker may be attempting to deliver malware or exfiltrate data using auto-download file-sharing links.
### Investigative actions
* Analyze the linked file(s) to determine if they pose any security risk.
* Check the sender's communication history within the organization.
* Analyze the file reputation using sandbox or threat intelligence sources.
* Verify whether similar links were sent to other users.
### Variations
External email with file-sharing link containing auto-download parameter
**Synopsis**
| Field | Value |
| ----------------- | ------------------------------------------------------------------------------------ |
| ATT\&CK Tactic | Initial Access (TA0001), Execution (TA0002) |
| ATT\&CK Technique | Phishing: Spearphishing Link (T1566.002), User Execution: Malicious File (T1204.002) |
| Severity | Low |
**Description**
The email contains a link to a file-sharing service that includes parameters likely to trigger automatic download.
**Attacker's Goals**
The attacker may be attempting to deliver malware or exfiltrate data using auto-download file-sharing links.
**Investigative actions**
* Analyze the linked file(s) to determine if they pose any security risk.
* Check the sender's communication history within the organization.
* Analyze the file reputation using sandbox or threat intelligence sources.
* Verify whether similar links were sent to other users.
---
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