Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0ea875633c5c644…

MALICIOUS

PDF

185.8 KB Created: 2017-11-29 09:40:34 -08:00 Authoring application: Microsoft® Word 2016
MD5: c496f197812d8c6850ebab455b4cc3b6 SHA-1: e682616579202c080d6d0b674609b0fed19f7a5c SHA-256: a0ea875633c5c64458179f260029c915330451272da2de0a82c915059573fe96
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file is detected as a dropper by ClamAV and exhibits characteristics of a phishing lure, specifically an image-only document designed to trick users into clicking an external link. The heuristic 'PDF_IMAGE_LURE' indicates that the document contains images and minimal text, with a click-outward action, strongly suggesting a phishing attempt. The embedded URL 'http://www.settlementslaw.com/validate/docusi' is the likely destination for this lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0239

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7288309-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7288309-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 185 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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.settlementslaw.com/validate/docusi
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/pdf/1.3/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/