Malicious PDF — malware analysis report

Heuristics 6

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://ggtraff.ru/123?keyword=otk+combo+priest+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367017/normal_5f87e8485b296.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368740/normal_5f87d8d0d083d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365562/normal_5f86f8dc1d4d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f882195ad73e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369511/normal_5f87c6d7077d5.pdfIn PDF document text
  • https://noxepelobisuse.weebly.com/uploads/1/3/1/8/131871648/b08024c4c5858cd.pdfIn PDF document text
  • https://taxajadotediru.weebly.com/uploads/1/3/0/8/130873824/8fd1a9303cb.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/jatelu-zukolugaw.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/3718456.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/9063337.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366662/normal_5f87755c66145.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369486/normal_5f87f06d5f4f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367617/normal_5f8755c4225b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368466/normal_5f879a7599188.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_5f87106d9181e.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/2b83a205-1a54-4495-ab16-b5c10d181859/72010743959.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4811/5610/files/idaho_star_card_appointment.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/3144/4128/files/gasoxadifibapebomaju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ec890a1e-f10f-4616-b78d-f1819b128fc7/29801197360.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fdda0264-4209-4dec-b001-9b4ab852590f/gaxomotokigenaliz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/baa653a4-7f17-4d91-bb80-456f9e23b731/80598507602.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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