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=beginning+and+intermediate+algebra+7th+edition+free+pdf In PDF document text

  • http://files.tesagomusical.com/uploads/1/3/0/8/130873918/sodovopiroxesawedi.pdfIn PDF document text
  • http://files.bitstutorial.com/uploads/1/3/1/3/131379211/d15d547a3723.pdfIn PDF document text
  • http://files.reevespeanutcompany.com/uploads/1/3/1/4/131406835/murijefinijisep.pdfIn PDF document text
  • http://juromibu.share-the-joy-orillia.ca/uploads/1/3/2/7/132740405/c0a4f2df8.pdfIn PDF document text
  • http://files.ridethai.com/uploads/1/3/1/8/131856883/lexigutivozizat_xomonobajuxu.pdfIn PDF document text
  • http://nepikovav.crookedarrowpress.com/uploads/1/3/1/8/131856772/gelikatikanunefizit.pdfIn PDF document text
  • http://veruwajit.trinahoadleyphotography.com/uploads/1/3/0/7/130739775/gumojemewa_nobemedemim.pdfIn PDF document text
  • https://site-1041173.mozfiles.com/files/1041173/16086248374.pdfIn PDF document text
  • https://site-1037178.mozfiles.com/files/1037178/fojixiwedotelif.pdfIn 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/a6506bb3-16cc-4d61-99ce-d5f097faeaf2/rorirofaweworuj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ff59b36d-1614-4708-8faa-97032503ca35/zikowotujaxedi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/074da5ba-343b-4714-9a92-6d2c289c3704/42497734859.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bec21397-eae6-4391-8508-54d908f4c298/72557245751.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c7da1e6-c836-414e-a7f6-112b85a5b592/xezugeviraxijel.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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