Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3e8192b56985190…

MALICIOUS

PDF

3.2 KB
MD5: 42c7f26fb83e2810f8162809a8e5592e SHA-1: b10ec6c80cfb09e40ab3cf218fe1f7b173f13272 SHA-256: f3e8192b569851900aa0c24124bf6ec9a6f6e3421437d99ed1723f23c4775fce
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection as 'Pdf.Exploit.Agent-36121' confirms its malicious nature. The embedded JavaScript is likely responsible for executing the exploit and delivering a secondary payload, although the exact mechanism is not detailed in the provided heuristics.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36121 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36121
  • 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_obj0007_000.js
82b4210504e6e3424e12d19a27e1f617e7dae993dd82cf683de30e98b6020305		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C8 485 bytes

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