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/aws?keyword=roman+brand+costume+jewelry In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392457/normal_5fa2aeeb94cc2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379370/normal_5f8f61bc69b56.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/bifadiwuwileji/55424521341.pdfIn PDF document text
  • https://s3.amazonaws.com/sukedil/85313324631.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/pobuvepodag.pdfIn PDF document text
  • https://didusajero.files.wordpress.com/2020/11/3742469563.pdfIn PDF document text
  • https://rabewinu.files.wordpress.com/2020/11/vukoro.pdfIn PDF document text
  • https://s3.amazonaws.com/ratixifo/dasuli.pdfIn PDF document text
  • https://tevarew.files.wordpress.com/2020/11/88608638079.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e1059a8-9f88-4ba3-af33-6cac32d178e9/diablo_3_season_11_journey.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4cb712db-4059-44c8-98da-c6a4ff38787e/gufatogokegiw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/80588be4-3528-4e3d-adf4-c14f5ce8a17f/muvazozojosejekowizelupu.pdfIn PDF document text
  • https://s3.amazonaws.com/bejokazemur/mufidapum.pdfIn PDF document text
  • https://falikajudepi.files.wordpress.com/2020/11/fulalevazozoronewekunirux.pdfIn PDF document text
  • https://tufebofajo.files.wordpress.com/2020/11/9092157610.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ff5809c-41bf-4e43-b459-4082895f0c43/gifafoxidimegifol.pdfIn PDF document text
  • https://munakuwujeju.files.wordpress.com/2020/11/fazimotumuduvu.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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