Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca270be96ffd7e83…

MALICIOUS

PDF

80.0 KB Created: 2020-12-30 10:09:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 69e64657d8ebbfa0a9fff6ae5609886c SHA-1: 5a9f6855130ed35b9cb4106f36275e66d470cb8c SHA-256: ca270be96ffd7e8378c6cab400a9f3201acbd9ce1cad8f38f640b6de9aaeb812
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file exhibits characteristics of a phishing or malicious content distribution scheme, as indicated by the 'PDF_SEO_LINK_FARM' heuristic and multiple external URLs. The presence of ClamAV detection and ML classification further supports its malicious nature. The document likely aims to redirect users to external sites, potentially for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9305

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://trafftec.ru/123?utm_term=great+commission+church+of+god PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4497372/normal_5fdd59e37367b.pdfIn PDF document text
    • https://naziwimirup.weebly.com/uploads/1/3/4/3/134371197/ce8c69da5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4410985/normal_5fdfc319d43e6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4367921/normal_5f98cf7aa1fe4.pdfIn PDF document text
    • https://dujeranisijoku.weebly.com/uploads/1/3/0/7/130776063/2043026.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425010/normal_5fddde5680724.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ace9d8a9-a30b-4da8-9112-b2b4cc35db23/zawepiremoguloraso.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/53dfc558-427d-4cad-ad89-cff497ee4372/15886812935.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bd6b8228-5a7f-4c17-b2ef-7248d4372c0f/nivejulovinokogij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/473360e7-40ff-4c2b-be4f-6eb1822aebb0/fashion_fantasy_game_free_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d810ecc7-69d0-4d82-b383-0d7d316e1f0f/66490338003.pdfIn PDF document text

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