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://cctraff.ru/123?keyword=the+flinch+julien+smith+barnes+and+noble In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379720/normal_5f95d87c057df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371013/normal_5f8eab2831e42.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369765/normal_5f8e24b59add8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393180/normal_5f95155c9eb21.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375509/normal_5f90cded98753.pdfIn PDF document text
  • https://rikisuluwujufa.weebly.com/uploads/1/3/1/4/131452938/sujezegodib-jimuxedowutepij-lufumuji-tavisekuwas.pdfIn PDF document text
  • https://juporolo.weebly.com/uploads/1/3/1/3/131380745/8647159.pdfIn PDF document text
  • https://xuwuperozaposa.weebly.com/uploads/1/3/2/3/132303395/8077731.pdfIn PDF document text
  • https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/9550295.pdfIn PDF document text
  • https://dawugagulinejud.weebly.com/uploads/1/3/4/3/134368664/2607837.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f88dcd753f55.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369496/normal_5f8af6badcc05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383136/normal_5f8c596cc30ee.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007a5f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007a5f.bin)
  • https://uploads.strikinglycdn.com/files/b098d9ed-848b-46b4-9984-ccd5ca3f71a8/libro_diseo_curricular_frida_diaz_barriga.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11f2f8fe-a151-4afc-b120-ec4aa48f2d1c/47194697334.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8e9fbf2a-8e28-421b-98e5-e8dfb53d9768/20855084242.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f59b33b4-b769-496c-a82e-9c2b9dff7fdc/zulejowufadudop.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4ebf36f-b517-4230-80bf-bae0efdf4490/lozuxunewezudenevoxujewi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9d4a88a-0b9e-4891-a7a2-fddcc92a3145/zomasutemudanurimamapasif.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/4246/2618/files/91986319572.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7242/5636/files/1126780710.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/urban_dictionary_words_for_sex_acts.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 extracted file (font_00_sfnt_off00007a5f.bin)

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