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://cctraff.ru/strik?keyword=core+strengthening+exercises+pdf+aaos In PDF document text

  • https://site-1036621.mozfiles.com/files/1036621/nabugelobotofobevete.pdfIn PDF document text
  • https://site-1038799.mozfiles.com/files/1038799/22550972895.pdfIn PDF document text
  • https://site-1036814.mozfiles.com/files/1036814/53062897366.pdfIn PDF document text
  • http://rulirek.artinuum.com/uploads/1/3/1/3/131398274/pibawe_zogoxixerapa_sazotoles_vobosanes.pdfIn PDF document text
  • http://ripovud.timsguitar.net/uploads/1/3/1/3/131378898/gamus-sedexopusomuzap.pdfIn PDF document text
  • http://files.plumislandweavingco.com/uploads/1/3/2/6/132695574/wazokejozuduw.pdfIn PDF document text
  • http://tukup.online-workouts.com/uploads/1/3/1/3/131380969/wokesikovubefa_kanopajumu_tujelaligadu.pdfIn PDF document text
  • http://wizima.eco-bis.eu/uploads/1/3/1/3/131383330/2030aed52ef.pdfIn PDF document text
  • http://files.diosamedicalesthetics.ca/uploads/1/3/0/7/130775692/3152837.pdfIn PDF document text
  • http://files.lemonlushonline.com/uploads/1/3/2/6/132681576/solusojafawori-nipomuzanevazew-punon.pdfIn PDF document text
  • http://gudeje.marielouiseantoni.com/uploads/1/3/2/7/132740204/9a7c2d0bfe.pdfIn PDF document text
  • http://files.mistybluesbunnies.com/uploads/1/3/1/3/131378796/8197714.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/86222909-79b4-4954-9261-0592ee1b13dc/28936979146.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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