Malicious PDF — malware analysis report

Static analysis result for SHA-256 781aeb8e192dfabe…

MALICIOUS

PDF

12.4 KB
MD5: fba1f34a8bd94ffecf853803a63a2fbd SHA-1: a37d8b4d45eccc755b151978b54ea79561c88357 SHA-256: 781aeb8e192dfabea015bab691043468e2f38dbbc9a91ab0cb33edd9d6fa3b91
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36723'. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The ML classifier also strongly indicated maliciousness.

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
802a108440d54781f0dd56fcbd3dff59e8bff5632fdffa149842ce4d1210153e		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11568 bytes

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