Malicious PDF — malware analysis report

Static analysis result for SHA-256 925921f36a1b7d5d…

MALICIOUS

PDF

12.4 KB
MD5: 3b080c361dbfc2755e8c4be9c52f123e SHA-1: f270da75fcaeed6fd0b3d19573ddbcf4d7609fc6 SHA-256: 925921f36a1b7d5d1c6fa7dbeab062aec5194e83d8ec576b1c07fece69f73e8a
76 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection as Pdf.Exploit.Agent-36723 strongly suggests this is a known exploit. The embedded JavaScript is likely responsible for executing the exploit, aiming to compromise the user's system.

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
b4cf5ffd69b1f96a29ffa6307894db528bc10de89eedba36d0ab1dccc338fd21		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11612 bytes

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