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
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://baarspo.ru/wix?keyword=gel+electrophoresis+worksheet+pdf PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4446170/normal_5ff41703c70a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366042/normal_5fd8b20e12dff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4445558/normal_5fd1dbd8a9cec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392220/normal_6012dc1705bc6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4487894/normal_5fcad2e272f03.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374196/normal_6005a3406297d.pdfIn PDF document text
  • http://loleveze.iblogger.org/adjectives_grade_3_worksheets.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4420459/normal_5ff56c2605872.pdfIn PDF document text
  • https://fabebebu.weebly.com/uploads/1/3/2/7/132740756/gakotewilejalimuline.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/vabemavuputenif/nupumatazamaxizevuni.pdfIn PDF document text
  • http://lekekavom.epizy.com/28461296.pdfIn PDF document text
  • https://s3.amazonaws.com/lurutopobi/15262134426.pdfIn PDF document text
  • http://gofosuxubajo.epizy.com/chiddingstone_school_uniform.pdfIn PDF document text
  • http://waboxizolomove.rf.gd/airthings_corentium_manual.pdfIn PDF document text
  • https://s3.amazonaws.com/jinotugiwomo/60010396624.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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