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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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=easterntimes+tech+wireless+mouse+driver In PDF document text

  • http://files.mselias.com/uploads/1/3/2/6/132695280/8118290.pdfIn PDF document text
  • http://mipupuson.healingcedarwellness.com/uploads/1/3/0/9/130969663/kekij_gopagodiwok_fizovazuxa_mimufuzomepoxi.pdfIn PDF document text
  • http://ridorubu.breakthroughinchrist.org/uploads/1/3/2/8/132816066/dolaruli.pdfIn PDF document text
  • http://files.thairedelephant.com/uploads/1/3/1/3/131383746/pamalo.pdfIn PDF document text
  • https://site-1041676.mozfiles.com/files/1041676/43265392215.pdfIn PDF document text
  • https://site-1036839.mozfiles.com/files/1036839/39639297848.pdfIn PDF document text
  • https://site-1040262.mozfiles.com/files/1040262/3631111081.pdfIn PDF document text
  • https://site-1043607.mozfiles.com/files/1043607/9570143530.pdfIn PDF document text
  • https://site-1036873.mozfiles.com/files/1036873/76009893658.pdfIn PDF document text
  • https://site-1048474.mozfiles.com/files/1048474/32248926177.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/861c02c2-5e0f-4ef3-80dd-aeae45647431/88429567547.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/416e8771-1e09-4aa7-acc9-15b549823e74/wavawofifenekemajuxebet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6aaf1b3f-9d0f-4fc2-878a-4314ff79dc74/20671990034.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/edcb9c21-c013-4804-9a5e-b96420567cd4/xirinorotiguxiz.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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