Malicious PDF — malware analysis report

Heuristics 5

• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://baarspo.ru/award?keyword=what+are+the+stock+symbols+for+oil PDF link annotation

  • http://okrasote.info/42516881257wbhr8.pdfIn PDF document text
  • https://cdn.sqhk.co/xugumewaz/S46jjja/three_kingdoms_overlord_strategy.pdfIn PDF document text
  • http://jikusofare.mywebcommunity.org/metro_2035_audiobook.pdfIn PDF document text
  • https://cdn.sqhk.co/berirenike/iFNhfge/cricket_tournament_maker_app.pdfIn PDF document text
  • http://poxumanavofeboz.scienceontheweb.net/garmin_nuvi_2595lmt_sd_card.pdfIn PDF document text
  • https://cdn.sqhk.co/vibebexez/8ididgj/rizasinakozu.pdfIn PDF document text
  • http://wiinorama.space/hclo3_nomenclatura_tradicional_y_stockcgyj6.pdfIn PDF document text
  • http://zonizubiro.getenjoyment.net/27772172506.pdfIn PDF document text
  • http://safijejog.mygamesonline.org/poxuvew.pdfIn PDF document text
  • https://cdn.sqhk.co/noviraxat/GzkYjgM/spinal_stenosis_surgery_healing_time.pdfIn PDF document text
  • http://mpvideo.org/27271162331f6zul.pdfIn PDF document text
  • http://rivozuzeno.mywebcommunity.org/rekubezewafejevuxifaf.pdfIn PDF document text
  • https://felezawobo.weebly.com/uploads/1/3/4/8/134896203/705466.pdfIn PDF document text
  • https://cdn.sqhk.co/rivotoxupow/xdhfrjf/c_compiler_ide_for_mac.pdfIn PDF document text
  • https://cdn.sqhk.co/livoluxuwad/iCul6ji/undertale_stickers_for_whatsapp.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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