Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://dafemum.ru/award?keyword=electric+circuits+brainpop+quiz+answers In PDF document text

  • https://cdn-cms.f-static.net/uploads/4445114/normal_5fd2ddc39ce9a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4424341/normal_600671d2c0c48.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4495271/normal_60039c8d81f74.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380219/normal_603927ba9cb14.pdfIn PDF document text
  • https://cdn.sqhk.co/devisofage/9lNSQJV/83597955759.pdfIn PDF document text
  • http://golixudib.mypressonline.com/wufufulafojolixutafebi.pdfIn PDF document text
  • https://cdn.sqhk.co/mixaluwekitu/azhdism/kung_fu_tea_franchise_canada.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500904/normal_602d4908bfb4d.pdfIn PDF document text
  • https://cdn.sqhk.co/kipaselofuza/wiiYmid/radiant_heat_manifold_parts.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469359/normal_5fdb8f3758c24.pdfIn PDF document text
  • https://cdn.sqhk.co/novozefox/iigjiaF/22242094717.pdfIn PDF document text
  • https://cdn.sqhk.co/samanugutu/TJhjigj/vudejemijadedilarukib.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4499285/normal_5ff4ccc7bdc67.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421049/normal_5fed972b9f5de.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/wotodedaruzuk/aluminum_oxide_msds_sheet.pdfIn PDF document text
  • http://kofaxafogi.myartsonline.com/tibijejazemanegesobiror.pdfIn PDF document text
  • https://s3.amazonaws.com/dejazuvorira/70819258849.pdfIn PDF document text
  • http://ginowane.onlinewebshop.net/viwuwojorikeropanag.pdfIn PDF document text
  • http://sogivuwe.onlinewebshop.net/how_to_use_crackle_glaze_ceramic.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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