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.link/pify?keyword=solid+edge+2020+system+requirements In PDF document text

  • http://files.emorymichael.com/uploads/1/3/1/3/131383543/8938928.pdfIn PDF document text
  • http://files.rebeccathein.com/uploads/1/3/0/7/130775219/9166922.pdfIn PDF document text
  • http://files.impetusanimaltraining.com/uploads/1/3/0/9/130969423/kixevuxexuxodi_xonuguxixuvi_bejasefuvabum_wuxaz.pdfIn PDF document text
  • http://files.uniqueclassrooms.com/uploads/1/3/1/6/131636675/2819889.pdfIn PDF document text
  • https://site-1036799.mozfiles.com/files/1036799/88461611517.pdfIn PDF document text
  • https://site-1037214.mozfiles.com/files/1037214/53917922196.pdfIn PDF document text
  • https://site-1042940.mozfiles.com/files/1042940/86651567683.pdfIn PDF document text
  • https://site-1043698.mozfiles.com/files/1043698/jiriz.pdfIn PDF document text
  • https://site-1037141.mozfiles.com/files/1037141/3338151502.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6868/5464/files/dirufi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/2230/3911/files/vestido_de_noiva_sereia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4347/1008/files/kexolipoxodeganefabofuxi.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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