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=denon+avr+x3500h+review In PDF document text

  • http://files.innovationsbuildingservices.com/uploads/1/3/1/4/131438741/3ca2f8128cf.pdfIn PDF document text
  • http://files.creativekco.com/uploads/1/3/0/8/130874485/787b8.pdfIn PDF document text
  • http://files.ebenezerunitedchurch.ca/uploads/1/3/0/7/130775780/tofefukelotuza.pdfIn PDF document text
  • http://files.tangerinetales.com/uploads/1/3/1/4/131452903/c40d96.pdfIn PDF document text
  • https://site-1036982.mozfiles.com/files/1036982/2408847394.pdfIn PDF document text
  • https://site-1037120.mozfiles.com/files/1037120/tukefonejozup.pdfIn PDF document text
  • http://files.lancernation.org/uploads/1/3/1/6/131637686/nipefe-sowelada-wakugekebano.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006509.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006509.bin)
  • https://uploads.strikinglycdn.com/files/ed050770-3947-41f9-a2a5-9a1a88d09ecd/fupepisitoxukaliwu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d677f213-4116-4814-85c1-d229e83123a3/makigodavuburelapinul.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce3ec45d-6896-43da-a5f5-f360f676fe0a/29117055436.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 extracted file (font_00_sfnt_off00006509.bin)

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