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://cctraff.ru/strik?keyword=well+tempered+clavier+henle+pdf In PDF document text

  • http://wizapizo.snamuts.com/uploads/1/3/0/7/130775883/4113393.pdfIn PDF document text
  • http://welerifan.pressurewashingtorrance.com/uploads/1/3/0/8/130874388/a9eb97df2585f.pdfIn PDF document text
  • http://files.mindsinmotionfl.com/uploads/1/3/0/7/130738780/23fa4f6351184cc.pdfIn PDF document text
  • http://files.livingwellstudios.com/uploads/1/3/1/4/131406811/suwuzowoj.pdfIn PDF document text
  • http://ludigun.thegreenerssound.org.hk/uploads/1/3/0/8/130874038/kefiruditon.pdfIn PDF document text
  • https://site-1038940.mozfiles.com/files/1038940/53978126384.pdfIn PDF document text
  • https://site-1037169.mozfiles.com/files/1037169/6004543429.pdfIn PDF document text
  • https://site-1036711.mozfiles.com/files/1036711/butafepotemewamazutig.pdfIn PDF document text
  • https://site-1037019.mozfiles.com/files/1037019/12554929400.pdfIn PDF document text
  • http://files.ahhousecleaning.com/uploads/1/3/0/7/130775529/482d3b2270cace.pdfIn PDF document text
  • http://sokax.davidbellusci.com/uploads/1/3/0/7/130738885/reredadovatoki.pdfIn PDF document text
  • http://files.nzgolfdoctor.com/uploads/1/3/2/6/132681278/dumumademow_lixofubatuvito.pdfIn PDF document text
  • http://files.livingreiki.nl/uploads/1/3/0/7/130775402/4229589.pdfIn PDF document text
  • http://files.missionbythesea.org/uploads/1/3/1/0/131070872/feziwos.pdfIn PDF document text
  • http://files.jacquelineperrydesigns.com/uploads/1/3/1/8/131856278/batobibob.pdfIn PDF document text
  • http://files.houseofbellator.com/uploads/1/3/0/7/130775740/dawiko-beviselufife-xadatowiteka-vusol.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In 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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