Malicious PDF — malware analysis report

Heuristics 5

• 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.club/pify?keyword=higiene+personal+ni%25C3%25B1os In PDF document text

  • http://files.annairisgraham.com/uploads/1/3/1/3/131378950/75ebde2599.pdfIn PDF document text
  • http://files.taitcolberg.com/uploads/1/3/2/6/132681664/tewikesobake.pdfIn PDF document text
  • http://besazes.manifestedvisionsnlr.com/uploads/1/3/1/0/131070491/galinetonoseg_nutafogoxi_sudutumeme.pdfIn PDF document text
  • http://files.joinfacet.com/uploads/1/3/1/3/131379759/ratemisekigejez_sinerizimuzoku_tifenoxiler.pdfIn PDF document text
  • http://files.aureaconsultancy.com/uploads/1/3/1/0/131069764/7204209.pdfIn PDF document text
  • https://site-1037882.mozfiles.com/files/1037882/rudogosan.pdfIn PDF document text
  • http://govav.briarwoodpark.org/uploads/1/3/1/4/131409508/6973b2613f76f3.pdfIn PDF document text
  • http://vunov.msxiques.com/uploads/1/3/1/6/131636755/242295c0d48473.pdfIn PDF document text
  • http://belajeze.caringinc.net/uploads/1/3/1/3/131398252/xefujipisogupun_kasabiv.pdfIn PDF document text
  • http://zoxusamu.coolascucumbers.com/uploads/1/3/0/8/130873915/lenujexonidupuvi.pdfIn PDF document text
  • https://site-1037207.mozfiles.com/files/1037207/59206810008.pdfIn PDF document text
  • https://site-1037275.mozfiles.com/files/1037275/99303503511.pdfIn PDF document text
  • https://site-1042920.mozfiles.com/files/1042920/fakagaxiloparabu.pdfIn PDF document text
  • https://site-1036734.mozfiles.com/files/1036734/jaxofebatujamutumezuwak.pdfIn PDF document text
  • https://site-1036852.mozfiles.com/files/1036852/89458423939.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
  • 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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