Attachment: PDF Object Hash associated with a fake invoice and a W-9

calendar Jul 2, 2026  ยท
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Matching PDF Object Hash associated with a fake invoice followed by a W-9.

Sublime rule (View on GitHub)

 1name: "Attachment: PDF Object Hash associated with a fake invoice and a W-9"
 2description: "Matching PDF Object Hash associated with a fake invoice followed by a W-9."
 3type: "rule"
 4severity: "high"
 5source: |
 6  type.inbound
 7  and any(filter(attachments, .file_type == "pdf"),
 8          any(file.explode(.),
 9              .scan.pdf_obj_hash.object_hash == "cc08b7eae4b6f5f4e897dd0998b90e21"
10          )
11  )  
12attack_types:
13  - "BEC/Fraud"
14tactics_and_techniques:
15  - "PDF"
16  - "Evasion"
17detection_methods:
18  - "File analysis"
19  - "Threat Intelligence"
20id: "44e6f204-1792-532d-9db5-983e25a8cda0"
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