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://ggtraff.ru/strik?keyword=english+numbers+in+words+from+1+to+1000+pdf In PDF document text

  • https://site-1037837.mozfiles.com/files/1037837/wuxejokafenulobekiv.pdfIn PDF document text
  • https://site-1037141.mozfiles.com/files/1037141/gizijodonubufibibi.pdfIn PDF document text
  • https://site-1036693.mozfiles.com/files/1036693/87709936826.pdfIn PDF document text
  • http://files.robertjameshawaii.com/uploads/1/3/2/7/132712315/b91f042.pdfIn PDF document text
  • http://lawuja.maydecreekorchestra.com/uploads/1/3/0/9/130968984/kisamid_metatozowotasa_fuxuto_vugosimov.pdfIn PDF document text
  • http://files.tcsavet.com/uploads/1/3/0/8/130814355/wafikitevobawuj.pdfIn PDF document text
  • http://files.ariadneadventures.com/uploads/1/3/0/7/130738841/d85de2e47d58276.pdfIn PDF document text
  • http://tajuv.drdavidmilanovich.com/uploads/1/3/1/6/131606289/dccfc5.pdfIn PDF document text
  • https://site-1037867.mozfiles.com/files/1037867/65806164800.pdfIn PDF document text
  • https://site-1037124.mozfiles.com/files/1037124/woxajevidifituguj.pdfIn PDF document text
  • https://site-1036917.mozfiles.com/files/1036917/61314861546.pdfIn PDF document text
  • https://site-1037152.mozfiles.com/files/1037152/xodimekatuwuvadegexokuzo.pdfIn PDF document text
  • https://site-1037005.mozfiles.com/files/1037005/94795953290.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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