Malicious PDF — malware analysis report

Heuristics 5

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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=gta+vice+city+tofa%25C5%259F+%25C5%259Fahin+yamas%25C4%25B1 In PDF document text

  • http://files.jackyuhuazhou.com/uploads/1/3/1/3/131380759/kaxoz.pdfIn PDF document text
  • http://zeweduwo.alwaysalphachi.org/uploads/1/3/2/7/132710621/piparujubofov-jukopexudo-moxuwerigimota.pdfIn PDF document text
  • http://bikep.kerrymaymakes.com/uploads/1/3/1/8/131856646/dujademo_zezifojoni.pdfIn PDF document text
  • http://files.cholseybluebirdsfc.co.uk/uploads/1/3/1/3/131379803/dcfeaf4046d6746.pdfIn PDF document text
  • http://files.indiachinaconjunctures.org/uploads/1/3/1/4/131407849/faff816426a71.pdfIn PDF document text
  • http://buwijeg.lauraspreciouspomeranians.com/uploads/1/3/1/4/131437490/c99b098.pdfIn PDF document text
  • http://files.dayangseafoods.com/uploads/1/3/1/4/131408864/7a81542059.pdfIn PDF document text
  • http://files.harrisendofthetrailranch.com/uploads/1/3/1/4/131407299/d60292.pdfIn PDF document text
  • http://files.psbproservices.com/uploads/1/3/1/6/131606346/bopanidodos_jivotezixazosi_gedex_mamud.pdfIn PDF document text
  • http://files.run4watermke.org/uploads/1/3/1/4/131437671/wifajosuxovefo.pdfIn PDF document text
  • http://noduj.travelingnurses1.com/uploads/1/3/0/7/130776394/jixibofel.pdfIn PDF document text
  • http://files.thepickrellplace.com/uploads/1/3/0/8/130814252/9858020.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/1/0483/0406/2619/files/usb_gx_loader_gamecube.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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