Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ba4f7e9d3064c3b…

MALICIOUS

PDF

62.0 KB Created: 2021-03-02 07:35:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 1d4b3742c2b74b1fa29e07334573bc62 SHA-1: 9e53b781d97bbf15756ba5a7199b467bda3c2460 SHA-256: 8ba4f7e9d3064c3b843ce4dd0ae515fbf43547a95c2ec1137d4c87fdac477a77
184 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous external links, many pointing to disposable hosting services, suggesting a link farm or SEO spam operation. The presence of a URL with 'utm_term=hoover+dual+power+max+pet+fh51001+instructions' indicates a lure to a specific product, likely to drive traffic or phish users. ClamAV and ML heuristics also flagged this PDF as malicious, specifically as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8754

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://leonvi.ru/strik?utm_term=hoover+dual+power+max+pet+fh51001+instructions PDF link annotation
    • https://jirugewozori.weebly.com/uploads/1/3/4/8/134898712/pobomiguzosuf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367290/normal_5ffd10abb18cf.pdfIn PDF document text
    • https://wemibevufiwoseb.weebly.com/uploads/1/3/0/8/130813314/2e1d8006e2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393358/normal_6018823014352.pdfIn PDF document text
    • https://cdn.sqhk.co/dixufeja/ihzpgiL/26322066605.pdfIn PDF document text
    • https://sezowizubuv.weebly.com/uploads/1/3/0/8/130874308/xoluxapolunot-dugipiboxegumu-gamavewomanidob-mufosojefapa.pdfIn PDF document text
    • https://cdn.sqhk.co/retuwami/hjpIimH/12788487309.pdfIn PDF document text
    • https://wibugosavuzatug.weebly.com/uploads/1/3/4/3/134349607/fofalelasiri_zogage_saxoged_linituma.pdfIn PDF document text
    • https://kitabenulo.weebly.com/uploads/1/3/0/9/130969432/2848142.pdfIn PDF document text
    • https://cdn.sqhk.co/totafeta/jSjjifP/97230242369.pdfIn PDF document text
    • https://cdn.sqhk.co/xetokive/TxOhdk5/23318242510.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420760/normal_6018e38f54370.pdfIn PDF document text
    • http://bifiwapaz.onlinewebshop.net/60970968045.pdfIn PDF document text
    • http://bodiluduf.rf.gd/how_to_export_jasper_report_to_excel.pdfIn PDF document text

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