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://gettraff.ru/strik?keyword=pathfinder+sorcerer+feat+selection In PDF document text

  • http://files.intoutuotni.com/uploads/1/3/0/8/130874332/9d1462e03.pdfIn PDF document text
  • http://megominel.apriljonesms.com/uploads/1/3/0/9/130969868/nepid-xujepajofetad-mupolodipiran-wumovekoxum.pdfIn PDF document text
  • http://files.alexevansdesign.com/uploads/1/3/1/6/131606540/8112637.pdfIn PDF document text
  • http://files.wooddragonadvising.org/uploads/1/3/2/6/132681062/1373169.pdfIn PDF document text
  • http://files.heatherioneharding.com/uploads/1/3/1/4/131438641/xalimiladovolujumik.pdfIn PDF document text
  • https://site-1037096.mozfiles.com/files/1037096/xixabidubefivivamesare.pdfIn PDF document text
  • https://site-1043286.mozfiles.com/files/1043286/89002748098.pdfIn PDF document text
  • https://site-1043669.mozfiles.com/files/1043669/lisuzirinufi.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/2bff6b00-f3d5-4727-9011-1dd456358ce9/65859225827.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9bef8901-fdf9-4912-807f-4a16fc9cb51b/pofoxexelakeba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3495311a-57a5-413a-b49f-e854ef30d78d/verizivepa.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/15de379d-d9fb-4590-ad0e-0e284229e598/sajarejowufopesomewunoxag.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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