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/aws?keyword=pictures+of+houses+in+minecraft PDF link annotation

  • https://nunezexivu.weebly.com/uploads/1/3/4/4/134440215/mubigug.pdfIn PDF document text
  • https://zepixufiguw.weebly.com/uploads/1/3/4/1/134108583/13561b06d06.pdfIn PDF document text
  • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/1441493.pdfIn PDF document text
  • https://vodipewelo.weebly.com/uploads/1/3/1/6/131637384/fukotagij-kebewa.pdfIn PDF document text
  • https://poraduke.weebly.com/uploads/1/3/4/3/134385775/1639982.pdfIn PDF document text
  • https://luvumape.weebly.com/uploads/1/3/4/4/134438520/maboleba.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://suvarofora.files.wordpress.com/2020/11/95519257918.pdfIn PDF document text
  • https://s3.amazonaws.com/muvunekagok/family_guy_freakin_mobile_game_cheats.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3313468f-d770-4de3-b1b1-de4054ac1435/runningwind_warrior_cats.pdfIn PDF document text
  • https://tuxabavijig.files.wordpress.com/2020/11/37940387668.pdfIn PDF document text
  • https://zejifumeg.files.wordpress.com/2020/11/41548438698.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88edb2b2-5374-4246-bf3a-cb3591f8807d/49079907023.pdfIn PDF document text
  • https://tewifozisoj.files.wordpress.com/2020/11/core_java_book_file.pdfIn PDF document text
  • https://manetomimexa.files.wordpress.com/2020/11/68091325827.pdfIn PDF document text
  • https://s3.amazonaws.com/navoburarovada/essay_on_savagery_in_lord_of_the_flies.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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