Malicious PDF — malware analysis report

Heuristics 4

• 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 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://gettraff.ru/strik?keyword=hallelujahs+chris+rice+sheet+music In PDF document text

  • http://files.surcodmalawi.org/uploads/1/3/0/7/130740375/janevujago_nowabifapi.pdfIn PDF document text
  • http://pelifixuz.macjannet.org/uploads/1/3/1/3/131379485/2063318.pdfIn PDF document text
  • http://files.roamingcic.com/uploads/1/3/2/6/132683087/rejowodobezi-fewibakawugaj.pdfIn PDF document text
  • http://vetol.conflictchange.com/uploads/1/3/0/7/130739344/rebafajazo_masinivijewu_zenan.pdfIn PDF document text
  • http://zifevufu.thematthewfoundation.org/uploads/1/3/2/7/132712019/dorer_miwojumires_pefetakada_ziduxigubupivun.pdfIn PDF document text
  • http://files.chlaudit.com/uploads/1/3/2/6/132696048/juwebuvapalegux.pdfIn PDF document text
  • http://files.musicunderquarantine.com/uploads/1/3/2/6/132683140/denenepite-memogi-jasit.pdfIn PDF document text
  • https:///www.youtube.com/watch?vIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/876f9f89-d149-44a0-97c6-040b6ce6d13a/95243326991.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/078b41e6-df01-4fd3-84b8-b26928013da0/87911715946.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5855fd22-2dc5-46e8-b4bf-2b659bf1db79/savif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23953030-44b8-4f42-afc5-e3eb1a031449/kebekamujamexe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cb4f293b-44f9-40b5-add8-d837f7476529/32671715124.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9612/2551/files/cafe_de_olla_recipe_chocolate.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0921/5134/files/66543151237.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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