Malicious PDF — malware analysis report

Static analysis result for SHA-256 f24da65ae368ff88…

MALICIOUS

PDF

49.6 KB Created: 2020-12-20 07:36:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d6811262d159dd81023a381009585b35 SHA-1: 6ea83c0052d7e18810b5a5c99f1f79a20eadc086 SHA-256: f24da65ae368ff8803c5fdfd0de4cc680f6ecd7986e0c83afb35fc91686b515d
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing campaigns. It contains a clickable link to 'trafffi.ru', which is likely the initial point of contact for a malicious payload or phishing site. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6098

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 49 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://trafffi.ru/aws?utm_term=calendar+2018+july+pdf
    • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/0cbd7f35736ab.pdf
    • https://static.s123-cdn-static.com/uploads/4463810/normal_5fde01b005193.pdf
    • https://static.s123-cdn-static.com/uploads/4423428/normal_5fc49ce20ebe0.pdf
    • https://cdn-cms.f-static.net/uploads/4372967/normal_5f8bbb0e1f741.pdf
    • https://cdn-cms.f-static.net/uploads/4408462/normal_5fad8b6314844.pdf
    • https://uploads.strikinglycdn.com/files/d774dcc0-902d-4de9-a45f-32358562f496/gufibakirozuvowunoditen.pdf
    • https://uploads.strikinglycdn.com/files/74742db9-9f54-4979-bd5c-a1848f6755f4/18288884665.pdf
    • https://uploads.strikinglycdn.com/files/7f9257dc-8f92-4fc8-b5af-fe0c59d4a038/grim_dawn_reset_devotion.pdf
    • https://static1.squarespace.com/static/5fc2bfbc2cf09257bd77efeb/t/5fc88aacb74dd54858dbbe70/1606978221064/75195622364.pdf
    • https://static1.squarespace.com/static/5fc0e88b8139af0376454bd0/t/5fc38ca7e6d49a06bb0052ca/1606651048838/17797101196.pdf

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