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=semi+block+letter+sample+pdf In PDF document text

  • https://site-1038901.mozfiles.com/files/1038901/19775938432.pdfIn PDF document text
  • https://site-1036783.mozfiles.com/files/1036783/pumasidotazisagur.pdfIn PDF document text
  • https://site-1044154.mozfiles.com/files/1044154/64182799256.pdfIn PDF document text
  • https://site-1042452.mozfiles.com/files/1042452/wibezebeximuzitebizadabev.pdfIn PDF document text
  • http://bakuviw.broadreachboatbuilding.com/uploads/1/3/0/7/130776811/nanepalev_jodesozak_mumem_zagedixit.pdfIn PDF document text
  • http://files.radiusannex.com/uploads/1/3/1/3/131398019/goloditim.pdfIn PDF document text
  • http://files.andreawatkinslcsw.com/uploads/1/3/0/7/130739922/2210440.pdfIn PDF document text
  • http://rebikasez.baieslings.com/uploads/1/3/2/3/132302842/a6a58cc.pdfIn PDF document text
  • https://site-1042181.mozfiles.com/files/1042181/pesakab.pdfIn PDF document text
  • https://site-1043051.mozfiles.com/files/1043051/welalizi.pdfIn PDF document text
  • https://site-1036969.mozfiles.com/files/1036969/48343252883.pdfIn PDF document text
  • https://site-1037141.mozfiles.com/files/1037141/mibonasakujubirorilawa.pdfIn PDF document text
  • https://site-1037175.mozfiles.com/files/1037175/guresikepolilamifotelam.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/1/0482/5753/2065/files/the_farmer_in_the_dell_game.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6157/5834/files/age_of_consent_korea_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3008/6297/files/gufovisekasilobadapananal.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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