Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f314f4fbd599e68…

MALICIOUS

PDF

12.4 KB
MD5: 0b608019a53af1d9363b772923e913e0 SHA-1: bbca46fbbc8c7fdde52b60e863e3afead78c0e45 SHA-256: 4f314f4fbd599e68a5f5381dcd0a68a0c70c6b3914e3fb9aea30dc5704ebfeb3
106 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious File

The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36723' and a high ML score, indicating malicious intent. An embedded JavaScript stream was extracted, suggesting the PDF likely exploits a vulnerability to execute malicious code. The primary IOC is the embedded JavaScript file.

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
fac2a7ff6ac882b66ba197ad5521cd2cb776072d5bf21bc172c2311601117c67		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11554 bytes

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