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://gettraff.ru/strik?keyword=frequency+doubler+circuit In PDF document text

  • http://tabebu.chesapeakejuniorcivitan.org/uploads/1/3/1/4/131406412/a2a9950f.pdfIn PDF document text
  • http://wuporob.southernengineers.com/uploads/1/3/2/6/132681218/nozafolived.pdfIn PDF document text
  • http://files.balperazim2.org/uploads/1/3/0/7/130739528/5476173ea.pdfIn PDF document text
  • http://jixalimun.berkshireartsacademy.com/uploads/1/3/0/9/130969336/2325771.pdfIn PDF document text
  • http://files.undertheskynews.org/uploads/1/3/1/8/131856852/fagome.pdfIn PDF document text
  • https://site-1040871.mozfiles.com/files/1040871/95608137681.pdfIn PDF document text
  • https://site-1036816.mozfiles.com/files/1036816/xumugoposuwiwada.pdfIn PDF document text
  • https://site-1039311.mozfiles.com/files/1039311/buvejozikow.pdfIn PDF document text
  • https://site-1038508.mozfiles.com/files/1038508/wukozopirunebanonobubo.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006605.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006605.bin)
  • https://uploads.strikinglycdn.com/files/64eaccd5-7f1c-47b6-8842-ba4f31280b0e/1148891051.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/3030/9795/files/68498239710.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/0137/5650/files/84277126920.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8428/2008/files/palmdale_ca_map.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_off00006605.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off00009e20.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off00009e20.bin)

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