Malicious PDF — malware analysis report

Static analysis result for SHA-256 e8d247e48b6132c2…

MALICIOUS

PDF

16.2 KB Created: 2010-03-05 15:19:50 Authoring application: Laxiwoveja
MD5: 3c71fde7a6cdc9c4c7e53885c305fba9 SHA-1: 343d427e0ccb85798302f75538b14425fd7e188f SHA-256: e8d247e48b6132c2bd843d7d44510192cea5f4d8b07b9295e04e97f3411e2e06
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript

The sample is a PDF file detected as malicious by ClamAV with the signature Pdf.Exploit.Agent-36066. Static analysis identified embedded JavaScript, indicating an attempt to exploit a PDF vulnerability. The JavaScript stream is large, suggesting it may download and execute a second-stage payload. The exact functionality of the script is not fully discernible due to its size and potential 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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