Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f849bc166d7ee13…

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja
MD5: 187a3a345e90c4d7848c3befbf78c9f3 SHA-1: 927693417b609cd05c186a5526ce69427b8d29f3 SHA-256: 8f849bc166d7ee13feeabced36f47fc8d724d26586eb83ba671ad3d48144944a
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detection identifies it as 'Pdf.Exploit.Agent-36066', suggesting it exploits PDF vulnerabilities. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, though its exact function is obscured by obfuscation.

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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