Malicious PDF — malware analysis report

Static analysis result for SHA-256 a82a42f064aaea31…

MALICIOUS

PDF

12.1 KB
MD5: 425217a8cc2caa6c986aabec06f5d794 SHA-1: 430ca5a538123dd112b21580c48413f498e29fad SHA-256: a82a42f064aaea31efe8c15a0edd7af46949190aef0c28e9439f6855859eeabb
76 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings and the presence of a JavaScript object. ClamAV detection as 'Pdf.Exploit.Agent-36723' strongly suggests exploitation of a vulnerability within the PDF structure. The embedded JavaScript is likely responsible for executing the malicious payload.

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
bf042056b85fc4d511e1ecddb2775d170da623c76055875f895c5ac33f8730b5		 pdf-javascript-stream PDF /JS object 76 at offset 0x369 11318 bytes

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