Malicious PDF — malware analysis report

Static analysis result for SHA-256 061e08474e025022…

MALICIOUS

PDF

9.5 KB
MD5: d1c1222184e181d9a8e6327170370929 SHA-1: 44e2997c27e09f5c834222fed03c943b43b084b4 SHA-256: 061e08474e0250228ba19a78584d860ec8a64dd8c5c9de65ae8201a55a878476
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, identified by multiple heuristics and ClamAV detection as malicious. The JavaScript is obfuscated but appears to be designed to download and execute a secondary payload, indicated by the 'Pdf.Dropper.Agent-7224576-0' ClamAV signature. This suggests a typical dropper or downloader attack pattern, likely delivered via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7224576-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7224576-0
  • 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
339843faece0ab0d1811aea1c0ec9b343692c632e293ac6fec4813c9fcc241ce		 pdf-javascript-stream PDF /JS object 69 at offset 0x1BE 20134 bytes

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