Malicious PDF — malware analysis report

Static analysis result for SHA-256 79e08987edad21e6…

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja
MD5: ca40c5964d242720891ea637fa0539d6 SHA-1: 28ccd48c81a034a3d4ddd2217f5883e130a857cd SHA-256: 79e08987edad21e6f6b3dca4a143a4f3d64591f590b3f53462cfc4f5b05e7efb
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. The ClamAV detection 'Pdf.Exploit.Agent-36066' strongly suggests this JavaScript is malicious and exploits a known vulnerability within the PDF format. The JavaScript stream is large, but its specific actions are not detailed in the provided evidence. Therefore, the exact payload or post-exploitation activity cannot be determined, leading to a moderate confidence score.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-36066 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36066
  • 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_obj0022_000.js
22e7b9b95199cc294a88baec03e968aa698abb89fdbf202e98b946c7b2639771		 pdf-javascript-stream PDF /JS object 22 at offset 0x30AF 971255 bytes

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