Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://crophysi.ru/aws?utm_term=letter+formation+worksheets+free+printables In PDF document text

  • https://cdn-cms.f-static.net/uploads/4393489/normal_6010e3517dca9.pdfIn PDF document text
  • http://xujilutobidiko.iblogger.org/amniocentesis_test_report.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4422382/normal_5fe99a95e57c4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384832/normal_600d1c8bc1665.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4460983/normal_5fe5fe0d7c8b7.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454049/normal_60079aba20ac0.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4453740/normal_5ffbc88e9e70f.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4460678/normal_5fccc1992f50c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493920/normal_5fd79f365c4a1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://wufutogaj.epizy.com/95605708655.pdfIn PDF document text
  • http://romezegipoxo.epizy.com/colliers_research_reports.pdfIn PDF document text
  • http://pazixurofuni.epizy.com/fegijimizulimodojud.pdfIn PDF document text
  • http://pejonoma.epizy.com/ipcc_2019_report_land.pdfIn PDF document text
  • https://s3.amazonaws.com/difigomisosak/sokipapegow.pdfIn PDF document text
  • https://s3.amazonaws.com/kexamoxusinixu/dual_energy_x-_ray_absorptiometry.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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