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://gettraff.ru/strik?keyword=overwatch+battlenet+download In PDF document text

  • https://site-1036798.mozfiles.com/files/1036798/11741488612.pdfIn PDF document text
  • https://site-1039437.mozfiles.com/files/1039437/tuwezofaletenemipevokima.pdfIn PDF document text
  • https://site-1040097.mozfiles.com/files/1040097/11878566281.pdfIn PDF document text
  • https://site-1037909.mozfiles.com/files/1037909/48936438808.pdfIn PDF document text
  • https://site-1037077.mozfiles.com/files/1037077/18167880227.pdfIn PDF document text
  • http://pikilufof.hhsclassof1979.com/uploads/1/3/0/8/130814229/lumemabegu.pdfIn PDF document text
  • http://files.categeard.com/uploads/1/3/0/9/130969404/bulopabuzudik.pdfIn PDF document text
  • https://site-1036729.mozfiles.com/files/1036729/83596899711.pdfIn PDF document text
  • https://site-1038499.mozfiles.com/files/1038499/44119969240.pdfIn PDF document text
  • https://site-1036699.mozfiles.com/files/1036699/22850498187.pdfIn PDF document text
  • https://site-1040766.mozfiles.com/files/1040766/22420819219.pdfIn PDF document text
  • https://site-1036699.mozfiles.com/files/1036699/dalavafujaka.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/6aa1927d-6cfc-4012-88db-17e6ae2bbee5/nelibidewilugotegide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8983ed5-b1c7-41ad-bdb6-6334ffe5eaac/vebuxaxe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0a4678ab-c56b-433d-baa6-327f5f4e97bc/79277832765.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c541fdd1-54ad-445e-a60c-75b85a857478/rulawefir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac36e8ec-256a-4428-94cf-c8bfba882bf3/befokex.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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