Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b415d4d6fb20927…

MALICIOUS

PDF

174.3 KB Created: 2017-10-26 15:57:32 +02:00 Authoring application: Microsoft® Word 2016
MD5: b5d9ec50f37d0d09b8b55a92273713c8 SHA-1: 31b5ab4548e10fdf7bac9d044e19d4aa58e49250 SHA-256: 3b415d4d6fb209278a4d5d0dca13d16cc961626b1b385acfe0e6be78bada91fa
82 Risk Score

Malware Insights

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

The PDF file is identified as an image-only lure, a common phishing technique designed to trick users into interacting with a malicious link. The ClamAV detection 'Pdf.Dropper.Agent-7251290-0' further confirms its malicious nature. The embedded URL, https://monteiro-restaurant.gq/folder/document/DOCsignsecured/DOCsignsecured/dsign/office.html, is the likely destination for the payload or credential theft.

Machine Learning

  • Nyx PDF Classifier clean score 0.0464

Heuristics 4

  • ClamAV: Pdf.Dropper.Agent-7251290-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7251290-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 174 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 https://monteiro-restaurant.gq/folder/document/DOCsignsecured/DOCsignsecured/dsign/office.html
    • 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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