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://gettraff.ru/strik?keyword=cinema+paradiso+free+sheet+music+piano+pdf In PDF document text

  • http://babemoju.crossroadsumcanderson.org/uploads/1/3/1/6/131606563/59f8ca2df0d0.pdfIn PDF document text
  • http://files.itseverythingisbeastmode.com/uploads/1/3/0/7/130739094/revobutej_kokaj.pdfIn PDF document text
  • https://site-1036923.mozfiles.com/files/1036923/relimabarekatunejuse.pdfIn PDF document text
  • https://site-1037843.mozfiles.com/files/1037843/41700803949.pdfIn PDF document text
  • https://site-1037172.mozfiles.com/files/1037172/92818903144.pdfIn PDF document text
  • https://site-1037009.mozfiles.com/files/1037009/93769793056.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1995/2550/files/35271634767.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/5111/4908/files/xigak.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3908/8022/files/nebitonomijusuxoxekobo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0470/6074/6408/files/runabekarimitugagivot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/5418/0773/files/organic_chemistry_klein_2nd_edition_solutions_manual.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c15830a6-15c5-4f0b-8325-f4663dd31432/66351994457.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/90f59fb8-9d31-42cb-aee6-f9a48992b5c2/57854165736.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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