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://trafftec.ru/aws?keyword=non+root+file+storage+apk PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4387421/normal_5f9e95ba46613.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383687/normal_5f97225b775c3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4467322/normal_5fa5b0090ee3a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368982/normal_5f9fa4ddf0014.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413583/normal_5fa5e79d9fbdb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/zoromexemuzid/46533121222.pdfIn PDF document text
  • https://sunolanedaju.files.wordpress.com/2020/11/pelicula_de_gloria_trevi_completa_online_gratis.pdfIn PDF document text
  • https://nixeporebumo.files.wordpress.com/2020/11/puxola.pdfIn PDF document text
  • https://vojasajufuda.files.wordpress.com/2020/11/ielts_academic_writing_task_1_pie_chart_sample.pdfIn PDF document text
  • https://s3.amazonaws.com/zifozujiwi/strategic_management_in_public_administration.pdfIn PDF document text
  • https://pazujuruki.files.wordpress.com/2020/11/19760618442.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/dadafopu.pdfIn PDF document text
  • https://womunulela.files.wordpress.com/2020/11/61268783659.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/83258580586.pdfIn PDF document text
  • https://zagilev.files.wordpress.com/2020/11/8777288553.pdfIn PDF document text
  • https://gonugatak.files.wordpress.com/2020/11/dsm_v_download_reddit.pdfIn PDF document text
  • https://likuzow.files.wordpress.com/2020/11/40264502684.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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