Malicious PDF — malware analysis report

Static analysis result for SHA-256 ece43c4c1a31624e…

MALICIOUS

PDF

22.4 KB Created: 2009-04-24 09:54:29 +02:00 Authoring application: PScript5.dll Version 5.2.2 (via Acrobat Distiller 7.0.5 (Windows))
MD5: 8d07e3cb7ab5ae5a8892560dae17346c SHA-1: 67c0ad2793d59f8869b9e4a2693ebef56018caae SHA-256: ece43c4c1a31624e99eaa22bfbd2d2d3243330094a229f094d2fcd0dd79232a7
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded and obfuscated JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV also flagged it with Heuristics.PDF.ObfuscatedNameObject. The JavaScript appears to be designed to execute arbitrary code, likely for downloading and running a secondary payload. The exact functionality is obscured by heavy obfuscation, reducing confidence in a precise family attribution.

Heuristics 3

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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.

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