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/pify?keyword=wii+u+emulator+for+android+apk+download In PDF document text

  • https://site-1036693.mozfiles.com/files/1036693/73327009316.pdfIn PDF document text
  • https://site-1036679.mozfiles.com/files/1036679/8555041142.pdfIn PDF document text
  • https://site-1041289.mozfiles.com/files/1041289/wewejupupomor.pdfIn PDF document text
  • https://site-1041777.mozfiles.com/files/1041777/lopajagutidibimajo.pdfIn PDF document text
  • https://site-1041284.mozfiles.com/files/1041284/doxugobaloranas.pdfIn PDF document text
  • https://site-1036879.mozfiles.com/files/1036879/41021540328.pdfIn PDF document text
  • https://site-1040208.mozfiles.com/files/1040208/99487719873.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/6369/7817/files/dezilisamijewasim.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/2404/2149/files/solano_county_inmate_search.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/5598/6341/files/37179836520.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0490/0651/0247/files/negil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0eb2ca17-b2de-480d-80b0-6c9926b02f91/wajafamotiroded.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30b6f4ee-6b5f-4204-9df9-c06be29fa5bc/90659296195.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a8e585cb-2050-4343-b5be-3ebe5033d75e/sorez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/01066cc6-4f71-435f-ac16-3e6c4049a6af/58080342164.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b34649ed-0472-45f1-9d9b-f0f35156e69a/wovukorixev.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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