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=the+art+of+sql+pdf+download In PDF document text

  • http://files.valentinapalonen.com/uploads/1/3/1/6/131636941/8587538.pdfIn PDF document text
  • http://files.lookoutweregettingmarried.com/uploads/1/3/2/7/132740435/6b3453a7.pdfIn PDF document text
  • http://files.cyberedchristianschool.org/uploads/1/3/1/1/131164205/6dfee5691e38.pdfIn PDF document text
  • http://files.vastgoedstyling-decoathome.com/uploads/1/3/0/7/130739570/zomizoj_zatekiguvu.pdfIn PDF document text
  • http://files.olddonationband.com/uploads/1/3/2/7/132740327/rutimiboku.pdfIn PDF document text
  • http://files.codymcvey.net/uploads/1/3/0/7/130739835/48aa017a3.pdfIn PDF document text
  • http://files.rsllcw.com/uploads/1/3/0/8/130874359/muxifu-bugugopewexofa-lepiniselibur.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006092.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006092.bin)
  • https://uploads.strikinglycdn.com/files/1d69226a-498f-4636-bf22-49ec9cb1805c/wuwulituramepimisesusel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b117492e-56cd-4023-9d95-92d6fe414cc0/81173187544.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2568621e-a701-4ec7-afb5-b588feadb308/85699653198.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/169ee4c4-ce37-40e2-9b67-d3433342c742/776040678.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5afe974f-1638-48bd-9a0e-84c1b42c1013/65535795763.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2f2e3837-097b-46d0-a736-77d57e4fd317/94058508649.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b4773210-a6c8-4e74-b0d3-bfa89307df36/lajexolotujolonililu.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_off00006092.bin)

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