Malicious PDF — malware analysis report

Heuristics 4

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ttraff.club/123?keyword=critical+reasoning+pdf+gmat In PDF document text

  • https://cdn-cms.f-static.net/uploads/4369797/normal_5f902a5959999.pdfIn PDF document text
  • https://xifamosavujefiv.weebly.com/uploads/1/3/4/4/134457952/didabira.pdfIn PDF document text
  • https://jiwepurojal.weebly.com/uploads/1/3/0/7/130775762/gikunovesizaf_najitimewosop_fexok.pdfIn PDF document text
  • https://zalopajozi.weebly.com/uploads/1/3/1/4/131453352/c95a3f3c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380392/normal_5f91a4506293c.pdfIn PDF document text
  • https://gixapogaruxa.weebly.com/uploads/1/3/4/3/134331356/fapizukideli.pdfIn PDF document text
  • https://wetuxabo.weebly.com/uploads/1/3/0/8/130873937/nafati.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373526/normal_5f8d23cd2a157.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406812/normal_5f96f7365f964.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374379/normal_5f9b0310b57e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367667/normal_5f8eb945b0f6e.pdfIn PDF document text
  • https://sofakixejiz.weebly.com/uploads/1/3/4/2/134265497/sefad.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/6021/9035/files/pebtf_get_healthy_physician_results_form_2019.pdfIn PDF document text
  • https://s3.amazonaws.com/gofilafixu/nubutatugifisibukarig.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/financial_accounting_and_management_notes.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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