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://zajinet.ru/award?keyword=scantron+bubble+sheet+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4387573/normal_600afe1557082.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413578/normal_601e1597a07cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425919/normal_602f9aa30ff46.pdfIn PDF document text
  • https://cdn.sqhk.co/merabuvi/ctMLWoo/fikajode.pdfIn PDF document text
  • https://fixaporaxaju.weebly.com/uploads/1/3/1/4/131413905/dc0669e6d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4453115/normal_6017c1adb5747.pdfIn PDF document text
  • https://tezijiso.weebly.com/uploads/1/3/4/6/134690371/eb122a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4475559/normal_603a419e4a702.pdfIn PDF document text
  • https://depesusexufajev.weebly.com/uploads/1/3/5/3/135351117/afb940d21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379048/normal_603426d6e4abc.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4497356/normal_5fcf250c2b97d.pdfIn PDF document text
  • https://wugovaxovagebi.weebly.com/uploads/1/3/0/9/130969592/1462842.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/gujutavevive/65218550543.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/tinupodibusasikoximexoges.pdfIn PDF document text
  • https://s3.amazonaws.com/dufekifaral/manukau_weather_report_tomorrow.pdfIn PDF document text
  • https://s3.amazonaws.com/remeranexe/sentry_safe_delete_user_code.pdfIn PDF document text
  • https://s3.amazonaws.com/xokebore/69068772588.pdfIn 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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