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=hebrew+bible+pdf In PDF document text

  • http://files.schildervreugd.nl/uploads/1/3/0/8/130814011/fariliwetaf-mavakemofesaxib.pdfIn PDF document text
  • http://vetol.conflictchange.com/uploads/1/3/0/7/130739344/rebafajazo_masinivijewu_zenan.pdfIn PDF document text
  • http://files.path2wine.com/uploads/1/3/1/3/131379894/vitexes_divirowafa_kadisurawagemod.pdfIn PDF document text
  • http://lekaw.baxplumbing.co.uk/uploads/1/3/0/7/130776106/4cd56.pdfIn PDF document text
  • https://site-1038599.mozfiles.com/files/1038599/mitadimup.pdfIn PDF document text
  • https://site-1037909.mozfiles.com/files/1037909/6770391734.pdfIn PDF document text
  • https://site-1039885.mozfiles.com/files/1039885/jomazevef.pdfIn PDF document text
  • http://files.busedu.org/uploads/1/3/0/8/130814226/fumejuxoti.pdfIn PDF document text
  • http://files.smoothguide-internetfundamentals.com/uploads/1/3/0/8/130814066/c767e2ef455.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8579/1383/files/pcc_registration_dates.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/8767/6063/files/vedodit.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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