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://ggtraff.ru/strik?keyword=anatomy+of+root+stem+and+leaf+of+monocot+and+dicot+plants+ppt In PDF document text

  • https://site-1039789.mozfiles.com/files/1039789/39207422606.pdfIn PDF document text
  • https://site-1039500.mozfiles.com/files/1039500/vanaromomejelobepevub.pdfIn PDF document text
  • https://site-1042591.mozfiles.com/files/1042591/wufofepek.pdfIn PDF document text
  • https://site-1041694.mozfiles.com/files/1041694/93940290973.pdfIn PDF document text
  • https://site-1038597.mozfiles.com/files/1038597/rumunezemilaradilenutaba.pdfIn PDF document text
  • https://site-1043752.mozfiles.com/files/1043752/bowaselujoxeruzovi.pdfIn PDF document text
  • https://site-1038489.mozfiles.com/files/1038489/54122552666.pdfIn PDF document text
  • https://site-1037282.mozfiles.com/files/1037282/57476589538.pdfIn PDF document text
  • http://files.porthuronchurchofchrist.org/uploads/1/3/1/4/131437532/57a348c734136.pdfIn PDF document text
  • http://files.pilatesdonewright.com/uploads/1/3/1/3/131384401/6711733.pdfIn PDF document text
  • http://files.celerahhewes.com/uploads/1/3/0/8/130813514/06e256cc.pdfIn PDF document text
  • http://fontawesome.iohttp://fontawesome.io/license/In 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/5d1691e0-69f9-4fc6-9f5a-51061d3f31e5/nukovimixajufoxuzem.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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