Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b7cf99576dcc3d1…

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja
MD5: 6e8d6baec2e026d3ab1c78d57504ff84 SHA-1: d539c05712464f0a615f656af4d93531708620a8 SHA-256: 1b7cf99576dcc3d1185540d0a5c0c69044c121e80325ca342c67eb846c3cd86c
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. ClamAV also detected this file as 'Pdf.Exploit.Agent-36066'. The presence of JavaScript within a PDF strongly suggests an attempt to exploit vulnerabilities to execute arbitrary code, a common technique for malware delivery.

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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