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=miller+thunderbolt+225+ac%252Fdc+manual In PDF document text

  • http://nijef.iamasocialscientist.com/uploads/1/3/1/1/131164538/6391827be.pdfIn PDF document text
  • http://files.mulvehillhomeinspections.com/uploads/1/3/2/6/132696285/5295111.pdfIn PDF document text
  • http://bopinoki.dorseydeportfolio.com/uploads/1/3/1/8/131856439/womedokifuvep.pdfIn PDF document text
  • http://files.giftsfromrudo.com/uploads/1/3/1/8/131857758/a80be54.pdfIn PDF document text
  • http://files.americanropehorsefuturity.com/uploads/1/3/1/4/131454692/moziwagodi_futukanas.pdfIn PDF document text
  • http://files.societyofhealingtouchprogramalberta.ca/uploads/1/3/1/3/131384663/dipetuxibizig_tusef_tigan_taxok.pdfIn PDF document text
  • http://files.graemetresidder.com/uploads/1/3/2/6/132681694/vedoviwi.pdfIn PDF document text
  • http://files.auxrideauxchics.ch/uploads/1/3/1/6/131637302/8432455.pdfIn PDF document text
  • http://files.predictionservice.com/uploads/1/3/0/8/130814874/96a51.pdfIn PDF document text
  • https://site-1037854.mozfiles.com/files/1037854/52851538698.pdfIn PDF document text
  • https://site-1036902.mozfiles.com/files/1036902/voleriv.pdfIn PDF document text
  • https://site-1040262.mozfiles.com/files/1040262/16646707035.pdfIn PDF document text
  • https://site-1036678.mozfiles.com/files/1036678/32644932358.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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