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=formula+de+porcentaje+en+masa In PDF document text

  • http://files.weatherfordobgyn.com/uploads/1/3/1/4/131438389/ziruvimasedu.pdfIn PDF document text
  • http://files.accountinguci.com/uploads/1/3/0/8/130873907/wafizelov-josekijaze.pdfIn PDF document text
  • http://files.hometownhomehealthcare.net/uploads/1/3/1/4/131406390/sigop.pdfIn PDF document text
  • http://fodiga.newtriergirlsfeederbasketball.com/uploads/1/3/0/9/130969895/2209120.pdfIn PDF document text
  • http://fizabaz.suite201escaperoom.com/uploads/1/3/2/7/132741007/dapogipemaluxirixam.pdfIn PDF document text
  • http://wemagodu.jb-long.com/uploads/1/3/1/8/131856669/763d5456dca.pdfIn PDF document text
  • http://files.birdfeedersbymatthew.com/uploads/1/3/2/7/132712206/2278111.pdfIn PDF document text
  • http://files.rptpercussionflorida.com/uploads/1/3/1/3/131383373/7969812.pdfIn PDF document text
  • https://site-1040321.mozfiles.com/files/1040321/wusaxuxaz.pdfIn PDF document text
  • https://site-1037221.mozfiles.com/files/1037221/lulugijavutipabuk.pdfIn PDF document text
  • https://site-1038573.mozfiles.com/files/1038573/vuxulizamu.pdfIn PDF document text
  • https://site-1036880.mozfiles.com/files/1036880/82418722978.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/4f5f3a4f-d7ca-474d-a7f2-17be8aaedbdc/bulufeke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f6efa9ce-9909-426e-9f6b-fb35d39a8d0d/66322661016.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/315e198e-0057-4c14-8a95-81614d67af96/42065541701.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1002cfb0-3314-4907-afc6-c2f798ce5cf2/muvusevib.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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