Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd521579388e68d3…

MALICIOUS

PDF

185.8 KB Created: 2017-11-06 07:08:59 -08:00 Authoring application: Microsoft® Word 2016
MD5: 12cafb0f91a6d9eb3023433d41eb5440 SHA-1: f37371a985ecc9ab4d11821a2acc6a1d749776da SHA-256: fd521579388e68d33d08024a5a808afb0338def80656c178b736efc46d14b41b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was identified as malicious by ClamAV with the signature Pdf.Dropper.Agent-7328346-0. Static analysis indicates it is an image-only document with a click-outward action, typical of a phishing lure. The embedded URL http://www.presscpa.com/e-settlement/fonts is likely the destination for this lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0239

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7328346-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7328346-0
  • 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.presscpa.com/e-settlement/fonts
    • 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/

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