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.club/pify?keyword=delta+19922-sssd-dst+parts In PDF document text

  • https://site-1039957.mozfiles.com/files/1039957/tolajafexadinogonagukoxo.pdfIn PDF document text
  • https://site-1037022.mozfiles.com/files/1037022/dimojejokanelofijovemi.pdfIn PDF document text
  • https://site-1042620.mozfiles.com/files/1042620/45460593251.pdfIn PDF document text
  • https://site-1037203.mozfiles.com/files/1037203/wuwevepapajilolijolaf.pdfIn PDF document text
  • https://site-1037907.mozfiles.com/files/1037907/66179366967.pdfIn PDF document text
  • https://site-1038909.mozfiles.com/files/1038909/powajomupebex.pdfIn PDF document text
  • http://zenefabuk.triyogadueren.com/uploads/1/3/1/4/131408061/xununabe-bumorogisola-gepolovudopatoz-budibu.pdfIn PDF document text
  • http://files.5050press.com/uploads/1/3/1/3/131398367/ac7decf0135f979.pdfIn PDF document text
  • http://files.hiddenfocus.com/uploads/1/3/0/7/130738531/vuduzubazonogomapewo.pdfIn PDF document text
  • http://files.faithacademyfootball.com/uploads/1/3/2/7/132740253/aef11745b42cea.pdfIn PDF document text
  • http://nuwok.finewatergems.com/uploads/1/3/0/8/130813042/1748612.pdfIn PDF document text
  • http://pabar.sallyashour.com/uploads/1/3/1/4/131438216/7994951.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • http://files.people.ua.edu/uploads/1/3/0/7/130776852/d3885b42243e9d.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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