Malicious PDF — malware analysis report

Heuristics 6

• 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
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://gimoguvi.ru/123?utm_term=usg+guided+ascitic+fluid+tapping PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4407810/normal_602909e614ba0.pdfIn PDF document text
  • https://gidisapawifo.weebly.com/uploads/1/3/4/6/134611794/709019.pdfIn PDF document text
  • https://vematonejos.weebly.com/uploads/1/3/1/3/131383464/5b67d85e.pdfIn PDF document text
  • https://cdn.sqhk.co/goganededem/akgcDhb/talojanividolutowizad.pdfIn PDF document text
  • http://uspeh.icu/9137797783k4l8a.pdfIn PDF document text
  • https://cdn.sqhk.co/xolanikipiz/ibgehbT/15035909035.pdfIn PDF document text
  • https://cdn.sqhk.co/gejupajo/KB2hjnL/yamaha_apex_turbocharger.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4410702/normal_60030c587e12e.pdfIn PDF document text
  • http://kernig.online/cisco_rv325_specsjlgj1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://83bd47e3-138d-48d8-8d00-514fe13b91b0.filesusr.com/ugd/c87a2f_f0302434361443ebb66e986ff5cc54b8.pdf?index=trueIn PDF document text
  • https://95a57b4d-a24c-4412-bd87-88f4f885d252.filesusr.com/ugd/011e4b_52f60982461942ae971371f1c78a663d.pdf?index=trueIn PDF document text
  • https://9ebe8999-295a-4f11-87dc-c96f3e1b46ff.filesusr.com/ugd/8de238_57a54e18807d491aa4d355a0af26ef2a.pdf?index=trueIn PDF document text
  • https://86908e24-11f3-43a1-9346-bf531f45ee0b.filesusr.com/ugd/97493d_d940159703c74de5b32ba95864d48716.pdf?index=trueIn PDF document text
  • https://5a995288-ce6f-4ae3-a3e6-14272d8003db.filesusr.com/ugd/7be1cd_59d0b1bf61894a209ac19b1619224e11.pdf?index=trueIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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