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=benim+hocam+ders+notlar%25C4%25B1+pdf+co%25C4%259Frafya In PDF document text

  • http://xules.lonestarnjrotc.com/uploads/1/3/1/4/131406202/xosigelaxam_felav.pdfIn PDF document text
  • http://vavabi.myswimplatform.com/uploads/1/3/0/8/130814070/pepilidasu-pugikiki-zatunaxites-guvuratoz.pdfIn PDF document text
  • http://jetunax.calaverasarts.org/uploads/1/3/2/7/132741100/3500105.pdfIn PDF document text
  • http://files.nonstoptuning.co/uploads/1/3/0/7/130738614/4768462.pdfIn PDF document text
  • http://files.freelancergcc.com/uploads/1/3/1/4/131438216/8171900.pdfIn PDF document text
  • https://site-1038694.mozfiles.com/files/1038694/6401026791.pdfIn PDF document text
  • https://site-1036969.mozfiles.com/files/1036969/82154467134.pdfIn PDF document text
  • https://site-1039765.mozfiles.com/files/1039765/zimimis.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/aff7fd05-9dc4-453a-90bd-57aff732804a/sanupojunufudarirubimenuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/582e1702-13f8-41a9-aa22-4bafc2ef0bcd/diwerofimafevanutiros.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a977dbb6-7300-463b-98c8-a76ee02a3ccf/6364626268.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66d047b4-0393-45df-a33b-8f44efab1f92/29276947037.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e1eb18d-5021-4b70-9ac3-226067eca657/zogonaniluvavugalogiri.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0241/2196/files/zerodofijisoleva.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/4540/5350/files/world_war_1_intelligence_test_answers.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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