Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a091c83211f0afc…

MALICIOUS

PDF

3.2 KB
MD5: b706d8ffb0f16c1f4ab68228ea4deb95 SHA-1: 792f4af746bc84a80ed53e0a4b5df3eb3cc9a909 SHA-256: 2a091c83211f0afc3ece016fb116ed20511a35ea5b72c80d3b00601d2b8622a2
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also detected this file as Pdf.Exploit.Agent-36121, suggesting it exploits known PDF vulnerabilities. The embedded JavaScript likely attempts to download and execute a second-stage payload, though its exact function is obscured by obfuscation. No specific malware family could be confidently identified.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0007_000.js
0ee17d760c6ea4dc7a0674a3bdd9dd9e0fc8d8df6849d8f33d1c46dbec51e681		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C6 435 bytes

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