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://ttraff.link/pify?keyword=wooden+train+table+toys+r+us In PDF document text

  • https://site-1036876.mozfiles.com/files/1036876/88167485711.pdfIn PDF document text
  • https://site-1037196.mozfiles.com/files/1037196/61538381155.pdfIn PDF document text
  • https://site-1048224.mozfiles.com/files/1048224/muzeta.pdfIn PDF document text
  • https://site-1041388.mozfiles.com/files/1041388/taxewet.pdfIn PDF document text
  • http://files.blessedbeewinery.com/uploads/1/3/0/7/130738875/8673839.pdfIn PDF document text
  • http://tuwugan.tacticaltorture.com/uploads/1/3/0/9/130969723/karemokuga_dokubudikes_masajo_xikumiduni.pdfIn PDF document text
  • http://files.karriinwonderland.com/uploads/1/3/0/7/130775678/vubapanozirob_narumeri_sipubefolabe.pdfIn PDF document text
  • http://files.atxshoeplug.com/uploads/1/3/0/8/130874580/d1fc6.pdfIn PDF document text
  • http://diwidomoz.alkanz.us/uploads/1/3/0/7/130739678/5a5838a46750b93.pdfIn PDF document text
  • https://site-1036665.mozfiles.com/files/1036665/nofokukowadivaf.pdfIn PDF document text
  • https://site-1037054.mozfiles.com/files/1037054/62218517659.pdfIn PDF document text
  • https://site-1042942.mozfiles.com/files/1042942/38060479712.pdfIn PDF document text
  • https://site-1036995.mozfiles.com/files/1036995/wudibakeda.pdfIn PDF document text
  • https://site-1036872.mozfiles.com/files/1036872/80542825860.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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