Malicious PDF — malware analysis report

Static analysis result for SHA-256 cee173e0c25acb3f…

MALICIOUS

PDF

12.5 KB
MD5: 305f89220ba9306160bc6cca47cbe1f4 SHA-1: 90c771f83ad33961203f89c36610938f8b2b4ceb SHA-256: cee173e0c25acb3feb0ecbbdb827bfb0599dc8fcf69894a2480cee4206888895
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 high-confidence ML classifier and ClamAV detection as 'Pdf.Exploit.Agent-36723'. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be exploiting PDF vulnerabilities to deliver a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36723 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36723
  • 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_obj0076_000.js
1e9c938a33c2d7aafbe4106ca557c305e6e474ff43871a05aeb47b7ac2e84281		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11730 bytes

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