Malicious PDF / .TXT — malware analysis report

Static analysis result for SHA-256 a6b36f506b443587…

MALICIOUS

PDF / .TXT

10.4 KB
MD5: 6f2482a125eb207100e7525818d360f1 SHA-1: 250f6226b74fabf205f65e8631b8de4dc8822051 SHA-256: a6b36f506b443587102186d870f067da2d4b78a80a76f1a0da5cdffed1fd6baf
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. The 'ClamAV: Pdf.Exploit.Agent-24043' detection strongly suggests this JavaScript is malicious, likely exploiting a vulnerability within the PDF reader to achieve code execution. The embedded JavaScript is the primary mechanism for the attack, and its execution is the critical step in delivering the payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-24043 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-24043
  • 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_obj0044_000.js
cce87eccd21990137e198889f4c9443032bf571d90fbe9f1a053688e3c55b8da		 pdf-javascript-stream PDF /JS object 44 at offset 0x14C 27350 bytes

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