Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dfa2e3a9a9f904a…

MALICIOUS

PDF

3.3 KB
MD5: 5f0d0f5ef68a5279155b2b92836c855e SHA-1: b5c8f9cdf322772cf88f0b5a1923a3ceec031c2a SHA-256: 3dfa2e3a9a9f904aea788d67d01d6ff4bd9a3bdcc90162dfd3f73112f9b16ccd
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection of 'Pdf.Exploit.Agent-36121' strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for triggering the exploit, which in turn probably downloads and executes a secondary payload. No specific family could be identified from the available evidence.

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
d85306f929bc39429583ab9b8c73fb4a72f4ae29bb47d858b5f5207adb000ab9		 pdf-javascript-stream PDF /JS object 7 at offset 0xA85 347 bytes

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