Malicious PDF — malware analysis report

Static analysis result for SHA-256 4420fca54627dce8…

MALICIOUS

PDF

16.0 KB
MD5: d4955bc4b163edcb97cb644e62d10968 SHA-1: 019b90fa426a773dd8e5f02d582b7455d02904dd SHA-256: 4420fca54627dce8681985b31c2b5ccbd6a0d999f98e9d8c18644a89c349fc71
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-36324' and a high ML classifier score. The presence of embedded JavaScript further indicates malicious intent, likely to execute an exploit or download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
  • 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
2e549114306fffa50c356b51f1bdc4a32ae89346391087e6afdd23e0d4849d41		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15466 bytes

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