Malicious PDF — malware analysis report

Static analysis result for SHA-256 022589cf231d155d…

MALICIOUS

PDF

50.6 KB Created: 2021-02-02 22:43:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: ea886b8257f0692b94853427976617a3 SHA-1: cb708dcc0161783af242200d1442e4ad07b21159 SHA-256: 022589cf231d155dac25aaab9f12e313f1fbf9cd6c43873c2b020e80bfe0b891
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous external links, many hosted on disposable domains, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9443

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
  • 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://baarspo.ru/aws?utm_term=gargoyle+osrs+slayer+guide PDF link annotation
    • https://kigazodiraju.weebly.com/uploads/1/3/4/6/134678535/1795005.pdfIn PDF document text
    • https://cdn.sqhk.co/vizinifum/c8jh5pt/wawuj.pdfIn PDF document text
    • https://gatamerat.weebly.com/uploads/1/3/4/0/134000446/vetafigowin_vedas_bozofaworodefor_ropesa.pdfIn PDF document text
    • https://sixojidolox.weebly.com/uploads/1/3/0/8/130814042/3552765.pdfIn PDF document text
    • https://xirovule.weebly.com/uploads/1/3/4/7/134749068/401985.pdfIn PDF document text
    • https://kekerisasil.weebly.com/uploads/1/3/0/7/130775365/6218129.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414867/normal_5fe751cd4c9d0.pdfIn PDF document text
    • https://cdn.sqhk.co/bivosemubo/iaFgdgi/73116234644.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465702/normal_5fe48eefd1298.pdfIn PDF document text
    • https://cdn.sqhk.co/jakufomego/giaie4H/free_printable_lego_superhero_coloring_pages.pdfIn PDF document text
    • https://cdn.sqhk.co/mekaxosur/7ijyPKL/37550190946.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384299/normal_6016791ddb725.pdfIn PDF document text
    • http://zukusuvajijip.epizy.com/the_answer_lies_within_you_meaning.pdfIn PDF document text
    • http://reditab.epizy.com/comprendre_alcools_de_guillaume_apollinaire.pdfIn PDF document text
    • http://beranaja.epizy.com/70329847006.pdfIn PDF document text
    • http://jidoxib.rf.gd/sagar.pdfIn PDF document text

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