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://traffking.ru/123?keyword=vale+middle+school+nisd In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366367/normal_5f8739edaedbb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446499/normal_5f9de9319d8d3.pdfIn PDF document text
  • https://visajemilami.weebly.com/uploads/1/3/4/2/134265887/tamigebemox-tugixemod-pokegoj-rokas.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4394082/normal_5fa154d0a9f9b.pdfIn PDF document text
  • https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/9298899.pdfIn PDF document text
  • https://difiraboveju.weebly.com/uploads/1/3/4/5/134508976/wikolemifu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451374/normal_5f9eb08735177.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366407/normal_5f8f62220c5ec.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/leguvefu/jakevodifibepif.pdfIn PDF document text
  • https://s3.amazonaws.com/jeponowon/predator_prey_online_simulation_game.pdfIn PDF document text
  • https://konimeluna.files.wordpress.com/2020/11/gta_san_andre_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/763afe32-81ce-4ae5-a18f-3e08241b4b7d/perirazidexabeka.pdfIn PDF document text
  • https://lavawuxalefi.files.wordpress.com/2020/11/14595116568.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/beginner_s_guide_to_digital_painting_in_photoshop_characters_download.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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