Malicious PDF — malware analysis report

Heuristics 7

• 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 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://bologen.ru/wix?keyword=remainder+theorem+puzzle+worksheet PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4451561/normal_5fd0d397ea889.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4487623/normal_6013ac1dd0220.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413375/normal_5fe3e92827739.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469349/normal_600ba56152761.pdfIn PDF document text
  • https://bumokodujexub.weebly.com/uploads/1/3/4/5/134595190/9dfc6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387061/normal_602f23abaa66f.pdfIn PDF document text
  • https://wekosidofanepa.weebly.com/uploads/1/3/2/6/132696212/zidarorarojuz.pdfIn PDF document text
  • http://vanibunogi.iblogger.org/vogezijum.pdfIn PDF document text
  • https://cdn.sqhk.co/famuxina/XjhThdL/62524463015.pdfIn PDF document text
  • https://boderaraza.weebly.com/uploads/1/3/1/4/131454415/zejeg_soxubiwisiposo_robejapegosinat.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/davawina/79824487384.pdfIn PDF document text
  • https://s3.amazonaws.com/jezaxojipevu/literature_survey_in_report.pdfIn PDF document text
  • http://nufitexevav.rf.gd/how_to_fix_rowenta_garment_steamer.pdfIn PDF document text
  • https://s3.amazonaws.com/zubuwujoxom/sims_3_best_world_to_play.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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