Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9ced8e69b979002…

MALICIOUS

PDF

12.0 KB
MD5: ef848a1a0c67ef4a15599e884f58b915 SHA-1: e4c8c3c7e85fbaeecd933a5d36e50a230047909d SHA-256: c9ced8e69b97900211e90230f47bdb73baa9be57ebe1cd5172b0af807d4e1997
106 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36177' and a high ML classifier score. Embedded JavaScript was detected, indicating an attempt to execute malicious code. The presence of JavaScript actions and streams strongly suggests the document is designed to exploit a vulnerability and download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36177 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36177
  • 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
a7e6203b0e8f812879ed8382ccbb3900ad81b5a92faf27692f51de6e8c96c13a		 pdf-javascript-stream PDF /JS object 7 at offset 0x1A6 569 bytes

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