Malicious PDF — malware analysis report

Heuristics 5

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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/123?keyword=maverick+ricardo+semler+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f87b2076e45b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366316/normal_5f8779b9573d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370074/normal_5f8862fc5f2a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369506/normal_5f882a199e350.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366366/normal_5f8843899b4e0.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/nukunuraki.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/1181add08fecfe.pdfIn PDF document text
  • https://site-1041859.mozfiles.com/files/1041859/hatteras_duck_hunting_guides.pdfIn PDF document text
  • https://site-1043837.mozfiles.com/files/1043837/pidinepusid.pdfIn PDF document text
  • https://site-1038595.mozfiles.com/files/1038595/19717790585.pdfIn PDF document text
  • https://site-1037858.mozfiles.com/files/1037858/lunuzufek.pdfIn PDF document text
  • https://site-1044498.mozfiles.com/files/1044498/vemutivamidawowomavag.pdfIn PDF document text
  • https://site-1043458.mozfiles.com/files/1043458/save_route_offline_google_maps_android.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/3ce1f08f-616b-4424-9bdb-2e1c748bae36/96646455468.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/361c33b1-f74c-4fd7-904c-f0d9ca642473/75067101956.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/05f43075-793e-4915-8227-192f84f5e35e/nodujige.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/4329/8207/files/ropofi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7341/3028/files/novemegejidudupupo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4905/6918/files/animals_and_their_baby.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7920/2984/files/wevolavugulolixalijopixa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9505/5766/files/cardiovascular_drugs_and_therapy_instructions_for_authors.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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