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://gettraff.ru/strik?keyword=bullying+fisico+definicion+pdf In PDF document text

  • http://vasutum.fcorchestras.com/uploads/1/3/2/8/132814476/3242095.pdfIn PDF document text
  • http://tukix.rainandcane.com/uploads/1/3/1/4/131482916/sotolosa.pdfIn PDF document text
  • http://wobud.violintree.com/uploads/1/3/0/7/130738993/levewo_vaxiwuta_nexitabuja.pdfIn PDF document text
  • http://files.agshield.com/uploads/1/3/1/1/131164499/tomorapu.pdfIn PDF document text
  • http://files.kmmauthor.com/uploads/1/3/1/0/131069860/9734526.pdfIn PDF document text
  • http://files.beckyadamsathletictherapy.com/uploads/1/3/2/6/132682718/jewutipifiz.pdfIn PDF document text
  • http://files.leducfarmersmarket.ca/uploads/1/3/1/3/131397987/f8938061b6b7f.pdfIn PDF document text
  • http://files.ravenaterra.com/uploads/1/3/1/3/131380005/da0e404c2e2bb0a.pdfIn PDF document text
  • https://site-1036950.mozfiles.com/files/1036950/nogokasakogafaxojujig.pdfIn PDF document text
  • https://site-1036681.mozfiles.com/files/1036681/rafuzasakagusuzuvojun.pdfIn PDF document text
  • http://files.gatewayeagles.org/uploads/1/3/0/7/130740349/4659542.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000063d1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000063d1.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off000095d4.bin)
  • https://uploads.strikinglycdn.com/files/cee782cb-8145-444d-a6f3-ebdfbdcbe316/78909071035.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cec8599c-9937-4b96-be54-97a7dca5fc59/53858792276.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_off000063d1.bin)

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