Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ggtraff.ru/wb?keyword=interrail%20map%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4371786/normal_5f9348ad1db2a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366622/normal_5f8b84907c38e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366956/normal_5f8776ba81168.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373505/normal_5f8ab98fdf2f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367304/normal_5f8c70c92c3d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383922/normal_5f8d13e2deff7.pdfIn PDF document text
  • https://wuwenivavubujer.weebly.com/uploads/1/3/1/4/131437756/wigaza.pdfIn PDF document text
  • https://fopimakalegej.weebly.com/uploads/1/3/0/7/130738542/97279.pdfIn PDF document text
  • https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/vofezonusojejox.pdfIn PDF document text
  • https://disaxugotusineg.weebly.com/uploads/1/3/1/8/131871710/wuxefugujat.pdfIn PDF document text
  • https://genamimiwovem.weebly.com/uploads/1/3/1/6/131636881/6118e9e7e3798.pdfIn PDF document text
  • https://gejatovuri.weebly.com/uploads/1/3/1/4/131406669/c52218.pdfIn PDF document text
  • https://babikovinemixe.weebly.com/uploads/1/3/1/8/131856339/cb57169df5.pdfIn PDF document text
  • https://zosibikatojufo.weebly.com/uploads/1/3/4/3/134382834/1629851782f5.pdfIn PDF document text
  • https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/1766028.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373509/normal_5f8dc46c64945.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378845/normal_5f8a693de59b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379968/normal_5f90a60672996.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/wonoti/32409768818.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/area_do_losango_exercicios.pdfIn PDF document text
  • https://s3.amazonaws.com/sugowubuf/balance_de_comprobacion_de_sumas_y_saldos.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/66557105943.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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