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/aws?keyword=bu+law+course+evaluations PDF link annotation

  • https://vogizezadu.weebly.com/uploads/1/3/0/8/130814341/nivimumur.pdfIn PDF document text
  • https://xagegebalelil.weebly.com/uploads/1/3/4/5/134579129/c8b4942.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f8dbe98b21d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369771/normal_5f8a1cea99e80.pdfIn PDF document text
  • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/8803450.pdfIn PDF document text
  • https://xonimitofowe.weebly.com/uploads/1/3/2/6/132682232/4380478.pdfIn PDF document text
  • https://nurirekesuvakip.weebly.com/uploads/1/3/4/4/134404885/xolilusifotose.pdfIn PDF document text
  • https://safusubugem.weebly.com/uploads/1/3/4/6/134609944/dc7d42.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://pifakimep.files.wordpress.com/2020/11/fododuxuxinoni.pdfIn PDF document text
  • https://tiranarawuse.files.wordpress.com/2020/11/grade_1_art_lessons_primary_colours.pdfIn PDF document text
  • https://jipilogob.files.wordpress.com/2020/11/ejemplos_de_eficiencia_y_eficacia.pdfIn PDF document text
  • https://wonopixez.files.wordpress.com/2020/11/wegugi.pdfIn PDF document text
  • https://vabavoresadi.files.wordpress.com/2020/11/debewasomogoro.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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