Malicious PDF — malware analysis report

Static analysis result for SHA-256 5842aaf69562967f…

MALICIOUS

PDF

68.1 KB Created: 2021-02-24 19:54:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: a2fde755a8bd50036b902d620e15a73e SHA-1: 70719d3e8622a8d070cc6b241b1f401b8be13d39 SHA-256: 5842aaf69562967f0ed1707d614873e93ddcf95eed29d3c958711e84483fb6bb
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded URLs, with one specifically identified as a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9588

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://jacksth.ru/award?keyword=chocolate+black+and+tan+cream+red+miniature+dachshund+puppy+for+sale+nyc PDF link annotation
    • https://cdn.sqhk.co/gabadifofibo/iQDEHmf/chevy_stepside_truck_bed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405660/normal_601a4bae45fa4.pdfIn PDF document text
    • https://xadigepuve.weebly.com/uploads/1/3/1/4/131454317/faraxewalowuwiruvut.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4498868/normal_5fdfac02577bc.pdfIn PDF document text
    • https://kijidagidopijub.weebly.com/uploads/1/3/0/7/130776406/dorekixusejebagaxur.pdfIn PDF document text
    • https://cdn.sqhk.co/gasajolop/hijeV6v/horizon_credit_union_sandpoint_phone_number.pdfIn PDF document text
    • https://ribafiligizeki.weebly.com/uploads/1/3/1/4/131438260/gexuw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477877/normal_602d86794b643.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478127/normal_601a2fa58cff8.pdfIn PDF document text
    • https://mawakizuk.weebly.com/uploads/1/3/0/7/130775730/e158323.pdfIn PDF document text
    • https://s3.amazonaws.com/fukezavazuj/xamarin_android_biometricprompt.pdfIn PDF document text
    • http://datuzijopo.epizy.com/typewriter_repair_austin_texas.pdfIn PDF document text
    • http://dogefifuga.rf.gd/search_video_songs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/pusixa/54053527545.pdfIn PDF document text
    • http://mabivumida.rf.gd/sumuteravupizawunexewodov.pdfIn PDF document text
    • https://s3.amazonaws.com/mupukesunobaga/baldi_s_basics_apk_1._4._1.pdfIn PDF document text
    • http://dipijiz.epizy.com/boeing_737-_300_maintenance_manual.pdfIn PDF document text

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