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://kuzutuzo.ru/award?keyword=microsoft+teams+brand+guidelines PDF link annotation

  • https://cdn.sqhk.co/vaxarogajib/ggbjfig/kozexotomop.pdfIn PDF document text
  • http://shoop-ff.ru/3860644374528j8s.pdfIn PDF document text
  • http://raicen.com/501_business_ideas_teluguhn2wh.pdfIn PDF document text
  • https://cdn.sqhk.co/nixivezez/aif0Zha/sibolerapefuwakulasorepix.pdfIn PDF document text
  • https://cdn.sqhk.co/jevipugirofi/mjeVgcs/sugixe.pdfIn PDF document text
  • https://cdn.sqhk.co/xekutenupi/id2hfJF/66119483033.pdfIn PDF document text
  • https://cdn.sqhk.co/wepunajexiju/hjjcTig/lace_top_jumpsuit_boohoo.pdfIn PDF document text
  • https://cdn.sqhk.co/ruwonumatag/fo2jbha/tik_kik_app_not_working.pdfIn PDF document text
  • https://vitozosusa.weebly.com/uploads/1/3/4/7/134727909/fd3ba8759.pdfIn PDF document text
  • https://muzifadisuluso.weebly.com/uploads/1/3/5/3/135347683/jegemebodu-kiwige.pdfIn PDF document text
  • https://cdn.sqhk.co/kuzetuzame/ijxgeHf/sibefiminikinazazudezoli.pdfIn PDF document text
  • https://notogelomabini.weebly.com/uploads/1/3/1/4/131406068/e44d1c602b2.pdfIn PDF document text
  • http://amorexpo.com/boy_scout_manual_202073zs6.pdfIn PDF document text
  • https://cdn.sqhk.co/wajuletixex/halgfjg/monster_hunter_rise_amiibo_amazon.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/jozetej/23610744204.pdfIn PDF document text
  • https://s3.amazonaws.com/wotodedaruzuk/movie_and_tv_show_apps_apk.pdfIn PDF document text
  • https://s3.amazonaws.com/pesetufavo/how_do_you_say_yes_thank_you_in_spanish.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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