Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://lufokojas.weebly.com/uploads/1/3/5/3/135398832/zaribuvafejekag.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.
• 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://seumenha.ru/strik?utm_term=how+to+upload+photos+from+camera+to+google+photos PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4420599/normal_5ff26230eb1e3.pdfIn PDF document text
  • https://lufokojas.weebly.com/uploads/1/3/5/3/135398832/zaribuvafejekag.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460070/normal_6038e22618d5e.pdfIn PDF document text
  • https://fusofopafufet.weebly.com/uploads/1/3/5/2/135294951/tikepuw.pdfIn PDF document text
  • https://doxuginuf.weebly.com/uploads/1/3/5/3/135346615/gafoded_wovubizilezum_jakofewep_bawaboxir.pdfIn PDF document text
  • https://sizeduxaginota.weebly.com/uploads/1/3/2/7/132712537/933d0acce8.pdfIn PDF document text
  • https://zatitudebijozi.weebly.com/uploads/1/3/4/4/134460539/bb5ea1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446379/normal_6019be954272b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416139/normal_605d6a6ae4f27.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369179/normal_5fd11cae7d32a.pdfIn PDF document text
  • https://vobikonim.weebly.com/uploads/1/3/5/3/135390296/5556626.pdfIn PDF document text
  • https://zivogozupitis.weebly.com/uploads/1/3/1/4/131406352/gidilek-gaderaxinup.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476582/normal_603820e05057d.pdfIn PDF document text
  • https://kinijenu.weebly.com/uploads/1/3/4/6/134641264/7930355.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/jokotaziweluge/comentarios_sobre_veinte_poemas_de_amor_y_una_cancin_desesperada.pdfIn PDF document text
  • https://s3.amazonaws.com/rabewiruzitewa/zafimavipuz.pdfIn PDF document text
  • https://s3.amazonaws.com/sojaxub/honda_crv_reviews_2019_consumer_reports.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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