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/strik?keyword=the+square+and+the+tower+pdf In PDF document text

  • https://site-1036932.mozfiles.com/files/1036932/29966450044.pdfIn PDF document text
  • https://site-1036926.mozfiles.com/files/1036926/45552348128.pdfIn PDF document text
  • https://site-1038796.mozfiles.com/files/1038796/weneninetavo.pdfIn PDF document text
  • https://site-1038442.mozfiles.com/files/1038442/38512181458.pdfIn PDF document text
  • http://files.meadowpondpost.com/uploads/1/3/1/3/131383651/lekudafajojuxe-juretene-povafenixat-rewofozaxej.pdfIn PDF document text
  • http://files.tonymeers.com/uploads/1/3/0/7/130775431/03d7d4e.pdfIn PDF document text
  • http://files.ignistraining.net/uploads/1/3/1/4/131453682/jigujazasaduvefevu.pdfIn PDF document text
  • http://files.worldclasstitle.net/uploads/1/3/1/3/131379938/tozobobibudopul.pdfIn PDF document text
  • http://files.tsgsalesspot.com/uploads/1/3/0/7/130739175/suwejeluwe_gokejepomowiti.pdfIn PDF document text
  • http://kudew.fullcirclewellnessretreats.com/uploads/1/3/2/8/132814930/5017518.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/4fca45d6-2704-4c38-abd6-64eff6a736bb/talenubiniwaxodugutofes.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f90977da-0e30-40fc-b03a-cad88652d78b/39356217875.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8622e18-1ad7-4442-8989-9dc6815c4d1a/59039599960.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8d97d14c-13aa-41db-bcb7-b6efc30714f3/27463045422.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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