Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7235e4cac3c105d…

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja
MD5: 2e3664177dd5a32f2c4ac193948a3d64 SHA-1: cba031436b76ffda8c2cd49cc6b89344d9db020d SHA-256: a7235e4cac3c105d7e2c7d661bc0f632b175b5c10f6001128a93b5758916b541
76 Risk Score

Malware Insights

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

The file is a PDF containing embedded JavaScript, as indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. ClamAV detected it as 'Pdf.Exploit.Agent-36066', suggesting it exploits a known PDF vulnerability. The embedded JavaScript is the likely mechanism for delivering the exploit payload.

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