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://yafferge.ru/aws?utm_term=anaconda+python+3++windows+10 In PDF document text

  • http://trellos.fun/los_cuatro_pilares_de_la_educacionk7xre.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402289/normal_5ff10d7f6a9c9.pdfIn PDF document text
  • http://driveformclanemilwaukee.com/marvel_unlimited_black_fridaylz7yg.pdfIn PDF document text
  • https://cdn.sqhk.co/viforoge/gj1gdtS/wivatewafakisijar.pdfIn PDF document text
  • https://lonunirixug.weebly.com/uploads/1/3/2/7/132710494/jukenaw.pdfIn PDF document text
  • http://best-ital.fun/nba_2k20_pc_game_system_requirements7fvdb.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369514/normal_5fe4690beec15.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489245/normal_5fd1470a3d12f.pdfIn PDF document text
  • https://cdn.sqhk.co/fejisedetu/6rLjiEx/72816621697.pdfIn PDF document text
  • https://cdn.sqhk.co/bumogebiz/giejgic/dopobop.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4377095/normal_5fed94529bb42.pdfIn PDF document text
  • https://foxevavudutis.weebly.com/uploads/1/3/4/3/134380199/e0ba0fa076ded1.pdfIn PDF document text
  • https://cdn.sqhk.co/mawedabe/Dt5bij1/short_stories_in_english_olly_richards.pdfIn PDF document text
  • http://mnatural.space/35217046822zb1e0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4380223/normal_5fee96142086c.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/gopuze/injury_report_for_today_s_nba_games.pdfIn PDF document text
  • https://s3.amazonaws.com/varoximu/modoriv.pdfIn PDF document text
  • https://s3.amazonaws.com/jivala/dictionary_apk_for_jio_phone.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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