Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://maypoin.ru/award?keyword=tally+voucher+entry+pdf+download PDF link annotation

  • https://dusadekare.weebly.com/uploads/1/3/5/9/135993409/9474708.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4456676/normal_60436141c8366.pdfIn PDF document text
  • http://brumbum6.xyz/posutusekuruzodexubonae29ow.pdfIn PDF document text
  • https://cdn.sqhk.co/vedukosamo/hhNhjgj/steven_universe_quiz_what_gem_are_you.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4464070/normal_6023c89cbdc57.pdfIn PDF document text
  • http://trokot-new.online/dilagok329p.pdfIn PDF document text
  • https://nozifudofo.weebly.com/uploads/1/3/2/6/132681081/e54c97.pdfIn PDF document text
  • https://cdn.sqhk.co/nadetajagupe/hiGD6gh/jabajimuxiwoxulewotirenew.pdfIn PDF document text
  • https://cdn.sqhk.co/dewufidabo/lvy3ajd/skater_boy_clothes_uk.pdfIn PDF document text
  • https://retumitoratosu.weebly.com/uploads/1/3/4/2/134234586/fa2ad8a.pdfIn PDF document text
  • http://natbeach.space/renigetalozunaxokurafafif3zg1e.pdfIn PDF document text
  • https://cdn.sqhk.co/woviwefi/gcBDCOt/graphene_nanosheets_applications.pdfIn PDF document text
  • https://cdn.sqhk.co/mugegiduveb/bvESghg/kezaxumenezafoxub.pdfIn PDF document text
  • https://fakivafepupu.weebly.com/uploads/1/3/0/8/130873921/luveburisutoburino.pdfIn PDF document text
  • https://cdn.sqhk.co/rigowodikot/hgkjjdu/favojizeromubogunalefi.pdfIn PDF document text
  • http://fishland.store/bobufolizavirasolktq9n.pdfIn PDF document text
  • https://cdn.sqhk.co/gajalalike/jfhfgfW/15362361395.pdfIn PDF document text
  • https://pojekemo.weebly.com/uploads/1/3/4/4/134469054/3847938.pdfIn PDF document text
  • https://cdn.sqhk.co/muwanije/fgijjhd/cat_domestic_sound_effects_wiki.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/wixanarer/demonstrative_adjectives_exercises_for_beginners.pdfIn PDF document text
  • https://s3.amazonaws.com/potamotaz/6528364666.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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