Malicious PDF — malware analysis report

Static analysis result for SHA-256 fde8ee59017458df…

MALICIOUS

PDF

41.4 KB Created: 2021-01-26 17:02:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 4fe959e834199defbc5789230f819f2b SHA-1: 3ff8f614bb0c811bddbde6d8fa1062afd1cb4bd7 SHA-256: fde8ee59017458df95c35a3c00678d97af4c6ac417f0e884589333ebfe4a42cf
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or distributing malware. It contains a single clickable link pointing to 'https://trafffe.ru/aws?utm_term=charting+by+exception+template', which is likely a redirector to a malicious site. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8204

Heuristics 5

  • 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 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.
  • 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 41 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://trafffe.ru/aws?utm_term=charting+by+exception+template PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4425491/normal_5ff6ad89bd7a4.pdfIn PDF document text
    • http://construt.site/gafavatuvukccp14.pdfIn PDF document text
    • https://cdn.sqhk.co/wixefawoz/hcjhoif/misoxitugoba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469841/normal_5fe671719b9c8.pdfIn PDF document text
    • http://rawenspant.online/international_business_relations_job_descriptionozmh7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417815/normal_5ff65e2ff30b7.pdfIn PDF document text
    • http://rawenspant.online/mapezadijedozubojoztjrd.pdfIn PDF document text
    • http://instapresent.site/bee_factory_cheat_download9gbf1.pdfIn PDF document text
    • https://s3.amazonaws.com/gazitif/ameda_manual_breast_pump_reviews.pdfIn PDF document text
    • https://s3.amazonaws.com/benubapopikaj/1549979562.pdfIn PDF document text
    • https://s3.amazonaws.com/tinivukedeta/11912105246.pdfIn PDF document text
    • https://s3.amazonaws.com/mikibetiv/kask_mojito_fitting_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/sagotomagin/bigife.pdfIn PDF document text
    • https://s3.amazonaws.com/tawovojo/sample_progress_report_comments_for_elementary_students.pdfIn PDF document text
    • https://s3.amazonaws.com/xezujuxoz/52365563640.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/credit_suisse_schweiz_ag_annual_report_2017.pdfIn PDF document text

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