Malicious PDF — malware analysis report

Static analysis result for SHA-256 39751e79d5a1cb07…

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja
MD5: 555155330e727f195570b2655c6ccc46 SHA-1: 926b441041d8677d34d6a020802b58bf1f8e68f5 SHA-256: 39751e79d5a1cb0752069c3ac66aeb9172e289b4dcb26cdb0493e59a89924be0
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The critical ClamAV heuristic indicates this PDF is a known exploit, specifically 'Pdf.Exploit.Agent-36066'. Static analysis also detected embedded JavaScript, which is commonly used in PDF exploits to download and execute further malicious content. The embedded JavaScript stream is large, suggesting it may contain obfuscated code for payload 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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