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://trafffe.ru/123?utm_term=holinshed%2527s+chronicles+summary PDF link annotation

  • https://masizomomom.weebly.com/uploads/1/3/2/6/132681315/6722c9ccbd5.pdfIn PDF document text
  • https://site-1173169.mozfiles.com/files/1173169/crowd_update_singapore.pdfIn PDF document text
  • https://cdn.sqhk.co/nuroteditu/hhdgdie/tujavuvig.pdfIn PDF document text
  • https://cdn.sqhk.co/bitaxukezor/ihIaAjc/bible_study_worksheets_for_adults.pdfIn PDF document text
  • https://cdn.sqhk.co/bexoninodag/e3fdPjd/1413144339.pdfIn PDF document text
  • https://cdn.sqhk.co/javeduner/ghcjfqR/live_streaming_app_for_pc_windows_10.pdfIn PDF document text
  • https://gekitudijelal.weebly.com/uploads/1/3/4/2/134265938/68d97e4.pdfIn PDF document text
  • https://cdn.sqhk.co/datolabevev/9lGWDyT/dipawapuwobasodosutaw.pdfIn PDF document text
  • https://cdn.sqhk.co/goremujoz/gibhaib/zinosunozonowek.pdfIn PDF document text
  • https://rofexigu.weebly.com/uploads/1/3/0/7/130738805/954475.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4472501/normal_5fcf88fe9bb48.pdfIn PDF document text
  • https://wuxagukokixeg.weebly.com/uploads/1/3/5/3/135398542/xezadokojoro.pdfIn PDF document text
  • https://cdn.sqhk.co/bagudivibi/eiajcq6/spider-_man_rope_hero_games.pdfIn PDF document text
  • https://site-1176223.mozfiles.com/files/1176223/99474942692.pdfIn PDF document text
  • https://cdn.sqhk.co/mitugejaxel/4WISg9T/hearts_in_atlantis_movie_synopsis.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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