Malicious PDF — malware analysis report

Static analysis result for SHA-256 a253ebb86d1f44c5…

MALICIOUS

PDF

16.0 KB
MD5: 24dc3038fea3da29296497ec0ec30504 SHA-1: 0c7ee1753f7495d932fbb0e7f0394945109c14ed SHA-256: a253ebb86d1f44c54d6b6714a3b2646a272999ba525021292f832f821e145d78
108 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36324', and an ML classifier indicating a high probability of maliciousness. The presence of embedded JavaScript further supports its role as a delivery mechanism for exploits.

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
818114443e91a4f70291f3fc2f64c8f699dbff23ab4d2f5d2aa4ead1423434a0		 pdf-javascript-stream PDF /JS object 76 at offset 0x2D4 15470 bytes

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