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/aws?keyword=physical+chemistry+of+materials+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f8725db93d37.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378155/normal_5f8e1ebd8d950.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f88b26304b48.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369629/normal_5f8a567ae8eed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366340/normal_5f87239c50d12.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385862/normal_5f95a1df98df2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408709/normal_5f96056f96af8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368746/normal_5f89cf04d1802.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375207/normal_5f8d094768bdd.pdfIn PDF document text
  • https://daxozeke.weebly.com/uploads/1/3/4/3/134322415/2142296.pdfIn PDF document text
  • https://tivakoxidedopa.weebly.com/uploads/1/3/0/7/130776298/nufelamewe.pdfIn PDF document text
  • https://gejatovuri.weebly.com/uploads/1/3/1/4/131406669/dalubofik.pdfIn PDF document text
  • https://sopopubepomexak.weebly.com/uploads/1/3/4/2/134265445/levapateva.pdfIn PDF document text
  • https://bafovulik.weebly.com/uploads/1/3/1/0/131070506/kapavogefogep_nilavugezabo_gakodidajapore.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000081a6.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000081a6.bin)
  • http://www.opentle.orgIn extracted file (font_01_sfnt_off00009331.bin)
  • http://www.daltonmaag.com/In extracted file (font_03_sfnt_off0000c861.bin)
  • https://s3.amazonaws.com/fibesezati/sozumurezejizipusapop.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/12603962428.pdfIn PDF document text
  • https://s3.amazonaws.com/faluzotixupi/xujukulerizopemejefo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2860/9186/files/directv_ultimate_package_channels.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/4919/5937/files/guru99_manual_testing_mcq.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/7179/9964/files/kogujiverudel.pdfIn PDF document text
  • https://s3.amazonaws.com/badodemebo/pigavoji.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/jenatuzonizatazavadefaw.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/download_e_aadhaar_card.pdfIn PDF document text
  • https://s3.amazonaws.com/kavalukato/functions_of_language_development.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_off000081a6.bin)
  • http://www.gnu.org/licenses/gpl.htmlIn extracted file (font_01_sfnt_off00009331.bin)

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