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=chris+curry+Dublin+criminal In PDF document text

  • https://site-1043199.mozfiles.com/files/1043199/9264529207.pdfIn PDF document text
  • https://site-1038402.mozfiles.com/files/1038402/pasetibobexadokafarux.pdfIn PDF document text
  • https://site-1038556.mozfiles.com/files/1038556/31647702119.pdfIn PDF document text
  • https://site-1040386.mozfiles.com/files/1040386/33779549979.pdfIn PDF document text
  • https://site-1048200.mozfiles.com/files/1048200/palajuwisikaxuvawalilikol.pdfIn PDF document text
  • https://site-1038586.mozfiles.com/files/1038586/78707423931.pdfIn PDF document text
  • http://wulobi.hssslearningcommons.com/uploads/1/3/1/8/131872096/840332.pdfIn PDF document text
  • http://zuwiw.blackwellschoolfoundation.com/uploads/1/3/1/3/131379179/2843774.pdfIn PDF document text
  • http://jagibuj.westhopeschool.com/uploads/1/3/0/9/130969204/9330320.pdfIn PDF document text
  • http://files.ignitecities.com/uploads/1/3/1/8/131856456/4e124e1f02f5016.pdfIn PDF document text
  • http://pamud.karenwoodworthrealtor.com/uploads/1/3/0/7/130775288/96d57b0.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005f4a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005f4a.bin)
  • https://cdn.shopify.com/s/files/1/0481/6666/6389/files/85513579080.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/0726/5944/files/11475438916.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 extracted file (font_00_sfnt_off00005f4a.bin)

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