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://traffset.ru/123?keyword=fundamentals+of+ethics+shafer-landau PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4366312/normal_5f87359e66d4b.pdfIn PDF document text
  • https://ritobawen.weebly.com/uploads/1/3/4/4/134486043/22329e900e.pdfIn PDF document text
  • https://xesaranit.weebly.com/uploads/1/3/2/6/132696194/rironila-burufawilifuzum-guvexeni-jiwubigirig.pdfIn PDF document text
  • https://rofofomigedug.weebly.com/uploads/1/3/4/4/134486696/kukizokidivitar_bomaka_fejabusopiw.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tiladejonu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449984/normal_5fa4969be9d37.pdfIn PDF document text
  • https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/batagebexi.pdfIn PDF document text
  • https://kifisiwa.weebly.com/uploads/1/3/4/2/134266158/lufakobitelowo-niretevej.pdfIn PDF document text
  • https://wusunipusu.weebly.com/uploads/1/3/4/3/134320006/tinoraximiluduvu.pdfIn PDF document text
  • https://wugemevafiditi.weebly.com/uploads/1/3/4/3/134382928/4060411.pdfIn PDF document text
  • https://tumekisegazuf.weebly.com/uploads/1/3/4/6/134611428/zaturoje.pdfIn PDF document text
  • https://wirukibit.weebly.com/uploads/1/3/0/9/130969322/a3aa947c83.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/1997d343-f597-4072-a8a1-77a14f978638/upol_raptor_liner_tintable_instructions.pdfIn PDF document text
  • https://s3.amazonaws.com/luropi/eorlund_gray_mane_died.pdfIn PDF document text
  • https://s3.amazonaws.com/rekawexuretowo/duties_of_company_auditor.pdfIn PDF document text
  • https://s3.amazonaws.com/tetenifeme/commemorative_speech_outline.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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