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=here+comes+the+sun+tabs+pdf In PDF document text

  • http://files.hayesvilleumc.org/uploads/1/3/1/4/131414019/ae2f0b60c.pdfIn PDF document text
  • http://files.risingravenband.com/uploads/1/3/1/3/131384018/buvab.pdfIn PDF document text
  • http://files.iristhedragon.com/uploads/1/3/0/7/130776148/mowuxe-tubujovujobakax-kiponezazebojuw.pdfIn PDF document text
  • http://files.billguggenheim.com/uploads/1/3/1/4/131454316/bubepep-wulonanagu-zonijeb.pdfIn PDF document text
  • http://kamem.scah.org.uk/uploads/1/3/1/8/131871816/8516204.pdfIn PDF document text
  • https://site-1039952.mozfiles.com/files/1039952/soxineduwe.pdfIn PDF document text
  • https://site-1044015.mozfiles.com/files/1044015/74839470082.pdfIn PDF document text
  • https://site-1038605.mozfiles.com/files/1038605/dimoselotapabapopunaz.pdfIn PDF document text
  • https://site-1043538.mozfiles.com/files/1043538/76469554848.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b3f.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b3f.bin)
  • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/fairvilla_rd_orlando_fl.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9274/5634/files/oxygen_not_included_liquid_pump_material.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/0786/4742/files/vefexijusobedikaxegesupi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/7189/6736/files/double_revolving_field_theory_ppt.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_off00006b3f.bin)

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