Malicious PDF — malware analysis report

Static analysis result for SHA-256 020926ad71c5db08…

MALICIOUS

PDF

9.8 KB
MD5: 2ac5d876d0bb1181ef8cf1e6fb36f24c SHA-1: ae5b528d2d28c6f589241e99757d2a5924c7c0d2 SHA-256: 020926ad71c5db0831ff9aac7d78c8d12584fa5d23648d4b6100af2a9dda7bf1
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, flagged by multiple heuristics and identified by ClamAV as Pdf.Dropper.Agent-7222439-0. The JavaScript is heavily obfuscated but its presence and the ML classifier's high confidence indicate it is designed to execute malicious code, likely downloading a secondary payload. The document body is unreadable, providing no further context on the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7222439-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7222439-0
  • 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_obj0069_000.js
756598da8f14c76ca285a3eca11c382706b35001395c0e2b49499dd80287f9a1		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 23430 bytes

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