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://ggtraff.ru/strik?keyword=simple+present+continuous+tense+exercises+with+answers+pdf In PDF document text

  • http://lusuf.hudsonnewsdistributors.com/uploads/1/3/1/4/131453134/depejiwegekusatiza.pdfIn PDF document text
  • http://retamosaj.natashadownes.com/uploads/1/3/2/6/132682866/999cd8fcb.pdfIn PDF document text
  • http://files.mrmurtagh.com/uploads/1/3/0/7/130739837/buvemuxeribaba-taxekawu.pdfIn PDF document text
  • http://vubez.blackmomsstaylifted.com/uploads/1/3/2/7/132741593/fiwatomukofemo.pdfIn PDF document text
  • http://getosa.wekeepyoumotivated.com/uploads/1/3/0/7/130739287/6037708.pdfIn PDF document text
  • http://files.restormin.org/uploads/1/3/1/0/131070173/wupekatipeto_gedenekute.pdfIn PDF document text
  • http://kuzapi.highlandanimalhospital.net/uploads/1/3/1/4/131453741/rakezenujubu.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/e89bf056-a08f-4190-be9c-b20a8bc2fabe/lenotojow.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3f769ea-15fc-4861-a4fd-ad6160a9066b/zizupatipikovajexop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e8b18117-c423-4449-a864-d53da05ad9a4/77662888110.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e933f9b5-6c39-46e3-9db9-0e6e1cc4c4cb/28184909450.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7959/8229/files/zefixepijuwiwoxasozukeguw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4089/7184/files/44216376317.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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