Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b62c0b351d2fe9c…

MALICIOUS

PDF

195.6 KB First seen: 2021-10-26
MD5: 64a8b1f5e8fadc1b47bfb7b560480b1e SHA-1: c0780c468cb192e103052f21cd117c43126d1f28 SHA-256: 3b62c0b351d2fe9c4fab893dc2b6ee266dc5c3145dcd96e5607e41a2bef0d2f7
84 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a heuristic firing indicating it is an image-only document designed as a lure, with a clickable action triggering an external URI. The primary malicious URL identified is https://hassoniabir.sa/gghc/onedrive/safe/index.php, which is likely used to host a phishing page. ClamAV also detected this file as Pdf.Phishing.Onedrive-9852983-0.

Machine Learning

  • Nyx PDF Classifier clean score 0.0001

Heuristics 4

  • ClamAV: Pdf.Phishing.Onedrive-9852983-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Onedrive-9852983-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 1 text block(s), carries a click-outward action, and is only 195 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.dynaforms.com In PDF document text
    • https://www.radpdf.comIn PDF document text
    • https://hassoniabir.sa/gghc/onedrive/safe/index.phpPDF link annotation
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • https://www.pdfescape.comIn PDF document text

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