Malicious PDF — malware analysis report

Static analysis result for SHA-256 de4297ac0b8a721c…

MALICIOUS

PDF

3.2 KB
MD5: 24daa71d4d2f6e8a00f7ef5a806cf8d4 SHA-1: e13e52a43f7cf9f36c1b5719dfa0aa7e7be3fc75 SHA-256: de4297ac0b8a721cb58e51369f3be3becbff5a4758a49f96b68628a329634dd9
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' strongly suggests this JavaScript is malicious, likely exploiting a PDF viewer vulnerability to achieve code execution. The embedded JavaScript is the primary mechanism for this attack.

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
7adcf376108535be4614ae6cafa4f2a1d80eb41e1673e1febcdf386c56409316		 pdf-javascript-stream PDF /JS object 7 at offset 0x9C7 449 bytes

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