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://trafffi.ru/123?keyword=gutterball+2+demo PDF link annotation

  • https://zavomafig.weebly.com/uploads/1/3/4/3/134356936/zupagudafekapomaji.pdfIn PDF document text
  • https://vidojibirulon.weebly.com/uploads/1/3/1/0/131070792/3029088.pdfIn PDF document text
  • https://tadiselugel.weebly.com/uploads/1/3/4/5/134589133/184c47f65ea7.pdfIn PDF document text
  • https://jugidemavewug.weebly.com/uploads/1/3/4/2/134265355/litotopemegen.pdfIn PDF document text
  • https://tifobavojosimiz.weebly.com/uploads/1/3/4/5/134505066/4b499.pdfIn PDF document text
  • https://jikeberu.weebly.com/uploads/1/3/1/8/131857846/kubowirokaxub.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://joxonep.files.wordpress.com/2020/11/96408350088.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/30_beaglebone_black_projects_for_the_evil_genius_download.pdfIn PDF document text
  • https://guwuwiro.files.wordpress.com/2020/11/26574757382.pdfIn PDF document text
  • https://s3.amazonaws.com/warapagefasovi/sickle_cell_disease_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/mubemutolewe/xenuralolu.pdfIn PDF document text
  • https://mawisumosa.files.wordpress.com/2020/11/fefijovuguwi.pdfIn PDF document text
  • https://sirilab.files.wordpress.com/2020/11/592302454.pdfIn PDF document text
  • https://zetetojowu.files.wordpress.com/2020/11/space_propulsion_analysis_and_design.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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