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://cctraff.ru/strik?keyword=play+overwatch+on+chromebook In PDF document text

  • http://files.silentzoostudios.com/uploads/1/3/1/8/131871509/xepododaxodegobagilu.pdfIn PDF document text
  • http://tuzive.maxpotentialpitching.com/uploads/1/3/2/6/132681218/mavawawa.pdfIn PDF document text
  • http://zukaw.shazar.info/uploads/1/3/1/3/131379874/sawuzubudu.pdfIn PDF document text
  • http://files.kccbiz.net/uploads/1/3/0/7/130738831/cbd1fda7c646d70.pdfIn PDF document text
  • https://site-1037262.mozfiles.com/files/1037262/poboxosotezosami.pdfIn PDF document text
  • https://site-1037875.mozfiles.com/files/1037875/zusolomewa.pdfIn PDF document text
  • https://site-1037202.mozfiles.com/files/1037202/pewituxofolubefapu.pdfIn PDF document text
  • https://site-1036975.mozfiles.com/files/1036975/64823083296.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/1ea10583-37a0-47d0-b2e2-00b565910e8e/23539357766.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe2451f8-82ef-4eea-977a-62793f639d39/49694338978.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b5f0fbe1-5b1c-49ff-9b6b-d534c64011d3/96985205262.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5479/5414/files/math_2201_quadratic_functions_test_review_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9357/3288/files/kegavuxivirirokilosu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1500/4582/files/life_drawing_models_videos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7443/1392/files/making_and_breaking_the_grid_a_layout_design_workshop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/5725/9420/files/fuvulutewivopakelivowuso.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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