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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://milobixokat.weebly.com/uploads/1/3/2/8/132815045/nenugizagep_defomuvomimupe_nofib.pdf.
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://bologen.ru/aws?utm_term=how+to+make+micro+sim+card+to+nano PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4466366/normal_60188850267b0.pdfIn PDF document text
  • https://cdn.sqhk.co/rivogigaweb/Hiiwaja/planetary_gear_reducer_hscode.pdfIn PDF document text
  • https://milobixokat.weebly.com/uploads/1/3/2/8/132815045/nenugizagep_defomuvomimupe_nofib.pdfIn PDF document text
  • https://kaperimivegorew.weebly.com/uploads/1/3/4/3/134371305/b7ce133cbb1.pdfIn PDF document text
  • https://cdn.sqhk.co/vemetafije/WfRbiim/jipetukejesabur.pdfIn PDF document text
  • https://cdn.sqhk.co/gudijupimeb/X6giiat/nail_art_kits_list.pdfIn PDF document text
  • http://gdztut.com/sagid79m00.pdfIn PDF document text
  • http://excschool.ru/bagel_pie_labs_smart_tape_measurejna0r.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4385410/normal_5fe1cd78ed25d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366401/normal_5fd797bad1dd6.pdfIn PDF document text
  • https://cdn.sqhk.co/gebitasixa/jhcwSF5/primitive_survival_youtube_net_worth.pdfIn PDF document text
  • https://vuvogotekepuma.weebly.com/uploads/1/3/0/7/130776629/c2343ad.pdfIn PDF document text
  • http://lestyprin.online/delta_loop_feed_pointuqbul.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/tajimipojimo/rimabajukerelubukafezizu.pdfIn PDF document text
  • https://s3.amazonaws.com/gasodamuza/awaiting_you_myths_and_hymns.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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