Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd69d00859cd3b4f…

MALICIOUS

PDF

56.0 KB Created: 2012-08-08 20:34:46 +04:00 Authoring application: Adobe Acrobat 7.0 (via Adobe Acrobat 7.0 Image Conversion Plug-in)
MD5: 9a848e2810aed2f4cfb9af64c53ff61b SHA-1: aeb76313beb4cc09346f11268e74f39ddfcdb5f0 SHA-256: dd69d00859cd3b4f264e2660a3c9af9eafe3b8afa26f471e901a861e5b0f1a53
106 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF was flagged by ML classifiers and ClamAV as malicious, specifically identified as a dropper. Embedded JavaScript actions were detected, indicating the likely execution of a secondary payload. The ClamAV detection name 'Pdf.Dropper.Agent-7313112-0' suggests a dropper functionality.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7313112-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7313112-0
  • 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.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0106_000.js
aa0ff832873a2cc536262cba298dc15732e3d9a23e95bafab779ab94bc35f00c		 pdf-javascript-stream PDF /JS object 106 at offset 0xDBE9 1725 bytes

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