Malicious PDF — malware analysis report

Heuristics 4

• 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 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/strik?keyword=environmental+education+for+sustainable+development+pdf In PDF document text

  • https://site-1036850.mozfiles.com/files/1036850/32989539887.pdfIn PDF document text
  • https://site-1042988.mozfiles.com/files/1042988/kepanape.pdfIn PDF document text
  • https://site-1040099.mozfiles.com/files/1040099/vesobevudapeza.pdfIn PDF document text
  • http://files.nicoleuphotos.com/uploads/1/3/1/8/131856392/6b3b31964e71d.pdfIn PDF document text
  • http://rinulotew.savagedivalash.shop/uploads/1/3/0/8/130874431/4537722.pdfIn PDF document text
  • http://kagel.javiermontesol.com/uploads/1/3/1/4/131454093/9961715.pdfIn PDF document text
  • http://wejekivux.leftinspain.com/uploads/1/3/1/4/131407995/c260ecd8d429b.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/9ef81634-64c6-4931-91ae-0508ae2b117a/murazudo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25fe5d87-dd8e-438d-be66-6defa675cf65/37898430885.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80091e4d-9741-4f7a-bba5-eb1d41cce26c/42747809380.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e1968c2-3ed3-4edd-9c56-586a58743909/38018655423.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0673/2699/files/diamond_in_the_rough_quick_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1504/4254/files/low_incidence_disabilities_teaching_strategies.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/6242/2421/files/where_are_the_interior_plains.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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