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=base+salvage+capsule+nms In PDF document text

  • http://files.foxlairwest.com/uploads/1/3/0/8/130874620/temow.pdfIn PDF document text
  • http://files.everydayfreedom.co.uk/uploads/1/3/0/7/130739895/xaxas.pdfIn PDF document text
  • http://files.blings-my-thing.com/uploads/1/3/2/7/132741089/83054.pdfIn PDF document text
  • http://files.commodoreswa.com/uploads/1/3/0/7/130740013/9160792.pdfIn PDF document text
  • http://files.lapakumroh.com/uploads/1/3/1/8/131872178/f13ee7f0ca12.pdfIn PDF document text
  • https://site-1043660.mozfiles.com/files/1043660/62585616246.pdfIn PDF document text
  • https://site-1036743.mozfiles.com/files/1036743/26014924166.pdfIn PDF document text
  • https://site-1041285.mozfiles.com/files/1041285/61693783409.pdfIn PDF document text
  • http://files.yonicare4u.com/uploads/1/3/2/7/132710694/bd1c7a0961.pdfIn PDF document text
  • http://files.mandylevin.com/uploads/1/3/0/7/130739103/930182.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000782f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000782f.bin)
  • https://uploads.strikinglycdn.com/files/553f60d1-8742-4f71-80df-b40c904333fc/sutulolikobi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b91787e6-b02c-4eff-908b-2436f25ec56e/36310209351.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/66b7168c-c86f-48ac-8e72-6631ef2cc04b/54792276571.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84bd564d-5435-41ba-b115-c8b45af7c219/94782809905.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0ff31f4-5cee-4e01-9fba-8abc2836def4/nimazakobaxuxuvosixaboje.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_off0000782f.bin)

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