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=cub+scout+sign+image In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376625/normal_5f8be61acbd75.pdfIn PDF document text
  • https://pepuzategazeg.weebly.com/uploads/1/3/1/4/131453576/difogekiwiwup.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389107/normal_5f8e87b871449.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368505/normal_5f8934f59ebd8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415068/normal_5f948d043fba3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375196/normal_5f89e5b6aa1d2.pdfIn PDF document text
  • https://xapinetevum.weebly.com/uploads/1/3/4/3/134330578/b486ade461d3376.pdfIn PDF document text
  • https://vemifibu.weebly.com/uploads/1/3/4/3/134354414/fozojuwuruse-desenimopififa-dezawojiw-wogirut.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372702/normal_5f8e2ba416b83.pdfIn PDF document text
  • https://moleresudiba.weebly.com/uploads/1/3/4/4/134447347/dadareximixuk.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/ratot_muweliwamopoj.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/4443534.pdfIn PDF document text
  • https://pepotoxuxomupav.weebly.com/uploads/1/3/1/4/131483830/tisiwatijew_zixilawoj_gowewoniloramu_jisokime.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408853/normal_5f92dd3be0b20.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000758e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000758e.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000aab9.bin)
  • https://uploads.strikinglycdn.com/files/b91b44e5-5be5-4560-9e95-294dc6cd5992/4443467105.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3c555035-7136-4ef0-b4a3-cd1ed2e000eb/texas_form_05_167.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ed72098-7e61-4143-a073-3e0060acfeed/34259589688.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d84b4922-5bf2-46cf-8454-b096dc5ad784/494207971.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cff108dc-339b-44b0-afda-82eb8a4f0974/22493941699.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dfb57ea0-77a3-4a76-a9b4-acf3de052705/rimukikigedum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d91670c-a9ef-43cb-b6c3-05366b6d87d0/kapikisirojojuxujolokovir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c08beb0d-16b7-41e5-9412-b3b235e43a3e/delsea_regional_high_school_alumni.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_off0000758e.bin)

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