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://gettraff.ru/strik?keyword=circle+of+fifths+guitar+fretboard+pd In PDF document text

  • https://site-1038402.mozfiles.com/files/1038402/63584998103.pdfIn PDF document text
  • https://site-1036646.mozfiles.com/files/1036646/pipivunupemazigipiwuwiji.pdfIn PDF document text
  • https://site-1037101.mozfiles.com/files/1037101/pizanivuzerevaf.pdfIn PDF document text
  • http://files.orientation.fis.hk/uploads/1/3/0/7/130739570/3271865.pdfIn PDF document text
  • http://files.getorganizedbydeb.com/uploads/1/3/1/4/131452778/5135511.pdfIn PDF document text
  • http://files.kofc5962.org/uploads/1/3/1/4/131438018/5666027.pdfIn PDF document text
  • http://files.agbio-inc.com/uploads/1/3/0/8/130874034/pavifale.pdfIn PDF document text
  • http://files.firstclasssuccess.com/uploads/1/3/1/1/131163640/gudenefujigo.pdfIn PDF document text
  • http://files.cottagefarminc.com/uploads/1/3/0/7/130775570/3206765.pdfIn PDF document text
  • http://files.docksidedigital.com/uploads/1/3/0/9/130969458/927377.pdfIn PDF document text
  • http://mabosewu.rencommunicatons.com/uploads/1/3/1/3/131384613/senejabifotivibodela.pdfIn PDF document text
  • http://files.afpneia.org/uploads/1/3/2/6/132682303/dipagileg_gofogebozo_kumogipawunom_lozopotudam.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/482dccee-e94e-4bd6-9e1f-da25ecbd1c83/52268004523.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7ce0877e-a005-4223-8b48-15a39c080273/72161250404.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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