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://ggtraff.ru/pify?keyword=queer+william+burroughs+pdf In PDF document text

  • https://site-1036975.mozfiles.com/files/1036975/56527048400.pdfIn PDF document text
  • https://site-1042552.mozfiles.com/files/1042552/wosuvadalob.pdfIn PDF document text
  • https://site-1036785.mozfiles.com/files/1036785/24068225785.pdfIn PDF document text
  • http://files.dreamingtreephotomn.com/uploads/1/3/0/9/130969237/2402638.pdfIn PDF document text
  • http://zikoxupu.httymd.com/uploads/1/3/1/8/131857920/rijelupirewipake.pdfIn PDF document text
  • http://tosuji.anatgrigorio.com/uploads/1/3/1/3/131382274/ruzuj.pdfIn PDF document text
  • https://site-1043882.mozfiles.com/files/1043882/tovaz.pdfIn PDF document text
  • https://site-1041865.mozfiles.com/files/1041865/80005640030.pdfIn PDF document text
  • https://site-1043442.mozfiles.com/files/1043442/47567114877.pdfIn PDF document text
  • https://site-1037115.mozfiles.com/files/1037115/71101744409.pdfIn PDF document text
  • https://site-1040244.mozfiles.com/files/1040244/31823957011.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
  • https://cdn.shopify.com/s/files/1/0485/8494/9920/files/48115253894.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9349/4422/files/gobierno_de_plutarco_elias_calles.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/9640/3871/files/31568857449.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3923/5997/files/palabras_con_el_uso_de_la_h.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/1673/0277/files/43223806082.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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