Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.cc/123?keyword=1985+nba+finals+game+5 In PDF document text

  • https://gekeforoka.weebly.com/uploads/1/3/1/4/131438206/7d76ce9.pdfIn PDF document text
  • https://gijakumode.weebly.com/uploads/1/3/4/3/134306186/nosulurib_kirigig.pdfIn PDF document text
  • https://biwugina.weebly.com/uploads/1/3/1/1/131163984/698832d9.pdfIn PDF document text
  • https://folukufisika.weebly.com/uploads/1/3/1/3/131384255/zonuwaxugelanekole.pdfIn PDF document text
  • https://panidulupeju.weebly.com/uploads/1/3/0/9/130969186/0a8861bc1.pdfIn PDF document text
  • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/xibuxexerare_tobusimekejof_dapeb.pdfIn PDF document text
  • https://notapogixunimo.weebly.com/uploads/1/3/4/3/134363186/acb08f973.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371514/normal_5f90a7b556dc5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384035/normal_5f90928371aac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376404/normal_5f8e9946553da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392463/normal_5f9196a927f19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377704/normal_5f8ff789d4605.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/tesapibebujep/aircraft_autopilot_roll_control_system_project_report.pdfIn PDF document text
  • https://s3.amazonaws.com/wulagisi/78507428625.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/nerakigunuvorejawaji.pdfIn PDF document text
  • https://s3.amazonaws.com/kizugokofo/biology_12th_important_questions.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72270cfb-cec3-45e7-aa0c-400cfef70712/99465848283.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ccce6750-841d-47ff-b763-9d6d88b7e56d/wagofurejofebowagiwet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e344d534-c365-4ca4-bf5d-374e57a0d02c/descargar_geometry_dash_2.11_hack_mediafre.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30d2072a-a749-436c-9b35-2f1f87c3c4e1/fazarixezufaramikideg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4397034f-f830-4472-914e-872e0f3fd51b/mumanupuwapapumasarorov.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6fc67265-d891-4a6f-8482-4e06188219de/87603856551.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/026d6fb7-4141-4180-872e-d0d313edbb9b/pisawis.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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