Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b1d710801772937…

MALICIOUS

PDF

17.4 KB Created: 2020-11-06 19:21:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8e005a107042a23c8ac8ba9d2cdec5d0 SHA-1: 7504f11fad861afcf0765b1f0d827472fb84df28 SHA-256: 1b1d7108017729373b131bfdcc8f57f6f51ded8e4aaad6df704bb0b67e9e27bd
74 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a heuristic indicating it's an SEO redirector for a "free download" phishing lure. The embedded URL, https://traffnew.ru/123?keyword=download+free+pc+games+unblocked, is the primary indicator of this malicious activity. While no scripts were extracted, the document structure and URL strongly suggest a phishing attempt to redirect users to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

Heuristics 3

  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://traffnew.ru/123?keyword=download+free+pc+games+unblocked PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4409411/normal_5f938288920db.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371806/normal_5f8869dbeedbe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403418/normal_5f944321e5fb3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459326/normal_5fa50d8c33001.pdfIn PDF document text
    • https://s3.amazonaws.com/kalufizefem/dayz_standalone_building_door_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/medetopuwofetut/the_expanding_universe_worksheet_answer_key.pdfIn PDF document text
    • https://s3.amazonaws.com/wibedubosateg/vuromesarut.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/basketball_court_diagram_printable.pdfIn PDF document text
    • https://s3.amazonaws.com/jemazejodep/feguxogewunisatitovu.pdfIn PDF document text
    • https://s3.amazonaws.com/zirojopemup/ramolaxewesojivusajakuk.pdfIn PDF document text
    • https://s3.amazonaws.com/fasanag/44314381907.pdfIn PDF document text

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