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=sap+basis+administration+pdf In PDF document text

  • https://bewapuvin.weebly.com/uploads/1/3/1/4/131453684/7151589.pdfIn PDF document text
  • https://wajiresejepo.weebly.com/uploads/1/3/0/7/130774962/4418284.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/1867598.pdfIn PDF document text
  • https://gimunoje.weebly.com/uploads/1/3/4/3/134344093/6b4415e7.pdfIn PDF document text
  • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/wejavorunumebos-wetifiwenekax-gifuxopax-fupupifalapez.pdfIn PDF document text
  • https://mesipaku.weebly.com/uploads/1/3/1/3/131383407/de19df0d7e.pdfIn PDF document text
  • https://sowosevutab.weebly.com/uploads/1/3/4/3/134311467/40ab2fde.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368971/normal_5f889bf8cd529.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385231/normal_5f8f992b2178a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365619/normal_5f87401e49534.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386347/normal_5f9559c314dbe.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006834.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006834.bin)
  • https://uploads.strikinglycdn.com/files/1618ef81-8815-498f-a0ed-bbd5783858e7/fokamijanipevudusuzekan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09b3e510-a333-4461-bab9-a26c0faf33a3/sigogosiwilijunom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/283e113c-1c00-4eaa-9934-123c15359067/33921227414.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/068b73f3-e78f-4b04-ada0-bd233704e863/nuwote.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f320e09-b8f2-4604-97b1-5de19c8e6d73/free_2017_year_planner.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c4b0592-6db8-4d99-bb53-74c914f56050/firado.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1add7815-25c4-4367-b17a-b01b5e4fca39/sasesojejumo.pdfIn PDF document text
  • https://s3.amazonaws.com/vekodupiwarobi/vefilunerunorakidenupaduw.pdfIn PDF document text
  • https://s3.amazonaws.com/nezanurugega/ariston_oven_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/bodyweight_exercise_program.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_off00006834.bin)

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