Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4936429a1ea1a03…

MALICIOUS

PDF

5.0 KB
MD5: 8a56fa2b68d935eaf31d5b2ea5bb312a SHA-1: 618b0aee61870605f41a05d14a90a38b3527c8b1 SHA-256: f4936429a1ea1a038d1b2ae816aea107d15feba95a1f1d58b4065c888747ecaa
84 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1559.001 Component Object Model Hijacking

The PDF file contains embedded JavaScript and utilizes ASCII85Decode filters, which are common indicators of PDF exploits. ClamAV detected this file as 'Pdf.Exploit.Agent-19512', strongly suggesting it's a malicious PDF designed to exploit a vulnerability. The embedded JavaScript is likely responsible for initiating the exploit chain, potentially downloading and executing a secondary payload.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-19512 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-19512
  • 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.
  • ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
    ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation

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