Medium Severity

Link: Free file host link with 'Important Viewing Note' lure

Labels

Credential Phishing
Free file host
Social engineering
Impersonation: Brand
Content analysis
URL analysis
Threat intelligence

Description

Detects inbound messages containing links to free file hosting domains paired with the phrase 'important viewing note' in the message body. These messages often masquerade as institutional or educational communications — such as student conduct reports or advancement initiatives — to add legitimacy and encourage recipients to follow the hosted link.

References

No references.

Sublime Security
Created Jul 15th, 2026 • Last updated Jul 15th, 2026
Feed Source
Sublime Core Feed
Source
GitHub
type.inbound
and any(body.current_thread.links, .href_url.domain.domain in $free_file_hosts)
and strings.icontains(body.current_thread.text, 'important viewing note')
MQL Rule Console
•Docs•Learning Labs

Playground

Test against your own EMLs or sample data.

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