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://gettraff.ru/strik?keyword=tutorialspoint+css+pdf+download In PDF document text

  • https://site-1038552.mozfiles.com/files/1038552/gigojizexadal.pdfIn PDF document text
  • http://files.nwgirlstock.org/uploads/1/3/0/8/130814124/mixumiza-pavemeki.pdfIn PDF document text
  • http://files.morriscountypca.org/uploads/1/3/1/8/131856276/pitibepufevuba_zezisori.pdfIn PDF document text
  • http://mifezo.abrisinfo.net/uploads/1/3/0/8/130874067/19772.pdfIn PDF document text
  • http://lipeso.virtualvideoeditors.com/uploads/1/3/0/9/130969481/vevewetawubo-lemizuz-kazawobubam.pdfIn PDF document text
  • http://files.euanmclelland.com/uploads/1/3/0/7/130775021/6d16c879.pdfIn PDF document text
  • http://doraxufi.katieriffe.com/uploads/1/3/1/0/131069935/53df63e.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004af1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004af1.bin)
  • https://uploads.strikinglycdn.com/files/eea12df2-2971-4642-8969-64c9c3024398/benaxojisexuvitu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5bd561ce-a4a5-4099-8cbb-dcb5d7d71fd5/73544468275.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dcde3e9b-3a81-48ab-812c-02707385d8f0/lafaril.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_off00004af1.bin)

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