Malicious PDF — malware analysis report

Static analysis result for SHA-256 34d8a8ce76c44694…

MALICIOUS

PDF

12.2 KB
MD5: 9af8feaf3b39193f97197a305a4cea00 SHA-1: 2b409cd103b1c10f16b137059c512962ea04790e SHA-256: 34d8a8ce76c446943b771508b8c677d3e8a0090ae79b37d924520737b08f7283
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 vulnerabilities within the PDF reader via this embedded script.

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
f1d103a06bfc1da86d63d4210112e21a1d79ac67590d1c6d840bba757ac3da3d		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11350 bytes

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