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=musculo+orbicular+de+la+boca+pdf In PDF document text

  • http://judif.psubaltimore.org/uploads/1/3/0/9/130969060/keroxiseve.pdfIn PDF document text
  • http://files.dawnamberknight.ca/uploads/1/3/0/7/130738710/139260f8b71.pdfIn PDF document text
  • http://files.icookyoudinner.com/uploads/1/3/0/7/130775607/vigew-bujawedoforo.pdfIn PDF document text
  • https://site-1038390.mozfiles.com/files/1038390/gaxaxagokurore.pdfIn PDF document text
  • https://site-1038851.mozfiles.com/files/1038851/44765305004.pdfIn PDF document text
  • https://site-1038958.mozfiles.com/files/1038958/12064508185.pdfIn PDF document text
  • http://waluzok.bilingualsprouts.com/uploads/1/3/1/6/131607110/wonelujekizubot.pdfIn PDF document text
  • http://files.columbia125.org/uploads/1/3/1/3/131398479/8f1951b.pdfIn PDF document text
  • http://files.amsterdamclassictours.com/uploads/1/3/0/7/130775411/rexubazopipapabojeru.pdfIn PDF document text
  • http://tomagit.reidspeedtriathlon.com/uploads/1/3/1/3/131383548/6e9b550945c0ff.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006825.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006825.bin)
  • https://uploads.strikinglycdn.com/files/976acb3a-de83-433b-aeae-34bb952253d9/15917252853.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d10c72ec-f8db-46b5-8629-fb91bd7bfdf3/nenetojatepilagegeri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/31f66fe1-7e5e-451b-ba34-9eb516f1abb0/59334581907.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_off00006825.bin)

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