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=connexion+agco+extranet In PDF document text

  • https://site-1042188.mozfiles.com/files/1042188/99771933379.pdfIn PDF document text
  • https://site-1036973.mozfiles.com/files/1036973/baduwitemagakogega.pdfIn PDF document text
  • http://vamemiman.heschinstitute.com/uploads/1/3/0/7/130775732/7e4c3.pdfIn PDF document text
  • http://files.safe-t-systems.net/uploads/1/3/0/7/130739490/4bc6d613f9d45.pdfIn PDF document text
  • http://files.myflexbrace.com/uploads/1/3/1/1/131163969/kukuvugolibe.pdfIn PDF document text
  • http://kunupunus.rescuedfirewood.com/uploads/1/3/1/3/131383541/3829052.pdfIn PDF document text
  • http://files.hiddenfocus.com/uploads/1/3/0/7/130738531/vuduzubazonogomapewo.pdfIn PDF document text
  • http://buvose.sincitytees.com/uploads/1/3/0/7/130775961/bee4bf0a4a95a.pdfIn PDF document text
  • http://mikon.juliapittcoaching.com/uploads/1/3/1/8/131856158/646378.pdfIn PDF document text
  • http://zarupiv.vincentsgermanshepherds.com/uploads/1/3/2/3/132302868/2926444.pdfIn PDF document text
  • https://site-1036764.mozfiles.com/files/1036764/42980508074.pdfIn PDF document text
  • https://site-1036649.mozfiles.com/files/1036649/zomoriwiteveborowum.pdfIn PDF document text
  • https://site-1039341.mozfiles.com/files/1039341/2423567011.pdfIn PDF document text
  • https://site-1039289.mozfiles.com/files/1039289/64506935575.pdfIn PDF document text
  • https://site-1036655.mozfiles.com/files/1036655/88220647338.pdfIn PDF document text
  • https://site-1037096.mozfiles.com/files/1037096/ramixutitivula.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006316.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006316.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000097cc.bin)
  • 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 extracted file (font_00_sfnt_off00006316.bin)

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