Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5e637425cdf0a5f…

MALICIOUS

PDF

12.4 KB
MD5: f342e84e2b5e3137a1540f088d48d796 SHA-1: 9dfa42f38a2cbbe18ca6696222c0502dcf934920 SHA-256: e5e637425cdf0a5f05725cc76db3fa1d30e32b42e5653b7b7ad2ee40dbc3928f
106 Risk Score

Malware Insights

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

The PDF was flagged by multiple heuristics, including a high-severity ML classifier and ClamAV detection as 'Pdf.Exploit.Agent-36723'. The presence of embedded JavaScript further indicates malicious intent, likely to exploit PDF vulnerabilities and download a secondary payload.

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
f5857e630edd572eddd19449052561c08a9f9d3602bd7fa1c122fdbe952d6e41		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11602 bytes

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