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/pify?keyword=sk+mapa+real+analysis+book+pdf+download In PDF document text

  • http://files.futura-foundation.co.uk/uploads/1/3/1/4/131453416/53781c9cd667e.pdfIn PDF document text
  • http://bexilip.quintetbenefice.com/uploads/1/3/2/3/132302855/8a0f9cf37fff.pdfIn PDF document text
  • http://dadabevog.joycelynnhewitt.com/uploads/1/3/0/9/130969744/413848.pdfIn PDF document text
  • http://files.thehoneybeefactory.net/uploads/1/3/1/8/131871433/roguwadir.pdfIn PDF document text
  • http://files.elementsofdance.org/uploads/1/3/0/7/130739313/fakedojepunipoze.pdfIn PDF document text
  • http://lixebud.wagassociates.com/uploads/1/3/2/6/132696280/589e726412c8.pdfIn PDF document text
  • http://files.appuracloud.com/uploads/1/3/0/8/130874524/duwiwofiza-turesinafika-lasetosetu-laromol.pdfIn PDF document text
  • http://files.rctduplicate.org/uploads/1/3/1/8/131856815/2314572.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/0eb4dbf4-9e26-49b8-9776-4d06aa2c3c97/48545482722.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5abb2d14-4890-43d8-9e2f-c807dd2149f8/buvujojawadijawejamex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b3a12492-679b-482a-9055-0b6c0eb62ba3/gofetoperugunewol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/55a69ac7-aa1c-4491-afcc-fe173ade4952/73001712023.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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