Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ce5b81e45a6c511…

MALICIOUS

PDF

58.4 KB Created: 2021-06-01 18:13:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 7e4eab0a7bcebe1c71bb6c1d90427236 SHA-1: d171929dd48906c2c906135c0c55a1905d3ae736 SHA-256: 0ce5b81e45a6c511cd82cd09fd119765c14a08fb6d0ec1b52d8f725fb62dd663
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of external links, identified as a link farm. The ClamAV detection and ML classifier indicate malicious intent, specifically classified as 'Pdf.Phishing.Trojan'. The presence of numerous external links suggests an attempt to redirect users to potentially malicious sites or for SEO manipulation, aligning with phishing or scam tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6420

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
  • 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.
  • 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://archism.ru/pbw?utm_term=tj+lubinsky+concerts+2019 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4422628/normal_601d58a97cf27.pdfIn PDF document text
    • https://kurasapar.weebly.com/uploads/1/3/4/9/134902571/50ecd9a048f.pdfIn PDF document text
    • https://lugilabujenubo.weebly.com/uploads/1/3/4/3/134320616/6160372.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424036/normal_600043a883293.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464870/normal_5ff546ce6ffa9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421058/normal_6023037a30d74.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488330/normal_604790d16cf7b.pdfIn PDF document text
    • https://lajoreruxox.weebly.com/uploads/1/3/4/5/134588124/8fc5fa2299.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4499636/normal_600362f2bf233.pdfIn PDF document text
    • https://sifavebizibi.weebly.com/uploads/1/3/4/0/134040704/7472543.pdfIn PDF document text
    • https://talekadibozevo.weebly.com/uploads/1/3/5/3/135393667/1951227.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408352/normal_605cb300f1fb5.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/aac5fa1d-396d-4251-8758-437140b26107/27658641298.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/605c058c-2b0b-4d73-af67-314de54bdb96/research_proposal_sample_for_phd_in_english_literature.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9d215c87-5bd2-40f6-95ee-a283fbdd8cf0/99815602998.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2d9dd47d-033c-4a87-be09-8841a5aef1b4/23681086301.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/25d6d632-94d2-4765-926b-5a42c1abd962/universal_sound_drivers_for_windows_10_32_bit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f4be01c-5d29-47fa-babb-abd404675451/gasugujatusisagik.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e0cf421-ccc1-485a-8ac9-14f344a6e92d/easy_raw_vegan_recipes_for_beginners.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/95a258b8-b6ba-4051-b524-0ac00fd64f0d/liguletejupomusimevorar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4576bd23-b7e1-4514-80d2-b19e90d1c1ce/7818825288.pdfIn PDF document text

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