Malicious PDF — malware analysis report

Static analysis result for SHA-256 23ef8733b0a2494a…

MALICIOUS

PDF

12.6 KB
MD5: 4e67c308b51c9fd9a3dcaa39d8049a3f SHA-1: 8dd387b68b325202cb2dee11f24c25119df4dab6 SHA-256: 23ef8733b0a2494a8b4fb8c70342efe4dfb18c8b4ba15aa2e9930e7ff0acdbfc
76 Risk Score

Malware Insights

The PDF file contains embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. ClamAV detection identifies it as Win.Trojan.Agent-36280, suggesting it's a trojan agent. The embedded JavaScript is likely used to execute malicious code or exploit vulnerabilities within the PDF reader.

Heuristics 3

  • ClamAV: Win.Trojan.Agent-36280 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Trojan.Agent-36280
  • 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_obj0076_000.js
e7f1ddddb9e97d7a7fbc60cc030ecf70a16db3bb99044cccf4bf3093e3f7f488		 pdf-javascript-stream PDF /JS object 76 at offset 0x383 11737 bytes

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