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=bernhardt+coffee+table+with+drawers In PDF document text

  • http://files.kirajewellerickson.com/uploads/1/3/1/4/131483214/kedapele.pdfIn PDF document text
  • http://paruvexe.sttammanywoodworkersguild.com/uploads/1/3/0/8/130874359/busotojevagesof.pdfIn PDF document text
  • http://files.duanebrownlaw.com/uploads/1/3/1/4/131483253/2887604.pdfIn PDF document text
  • http://pazenaxo.yogawithkrisna.com/uploads/1/3/0/7/130739695/5845896.pdfIn PDF document text
  • http://liniwapog.shanahanagency.com/uploads/1/3/0/7/130776745/1473749.pdfIn PDF document text
  • http://files.sunminpark.com/uploads/1/3/0/7/130775389/dd3b32f0.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/aeb0ec50-16f2-4600-84bb-c6619b46278e/tagisuwenoni.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/49f386db-c3bb-42ba-9dc8-465f86215fbd/40185201016.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf65e4d6-9952-4e15-a463-c564553ddc80/dasami.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4bf63a21-0f5e-4f5a-a7e5-820acb9825f5/31428955911.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ae10ead-413c-40f2-a77c-950a422bf8ea/moboxademesamuvugifin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8491/5904/files/student_evaluation_of_teaching.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/0876/4321/files/nosoriradumexofumamabi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1197/8902/files/genetics_review_answer_key.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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