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
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://antifftech.com/uploadfile/file///2021090202012125.pdf In PDF document text

  • https://soosekszer.hu/upload/files/ponuxulawobumepusiwa.pdfIn PDF document text
  • http://astorandblack.net/emailer/userfiles/file/28886143210.pdfIn PDF document text
  • https://mai-avto.ru/upload_files/file/84541234171.pdfIn PDF document text
  • https://xn--80aaijzh9b.xn--90ae/documents/file/nufavotezokizikexo.pdfIn PDF document text
  • https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/fulujapenumojaxoweluwi.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/binusewofodobusazosida.pdfIn PDF document text
  • https://milsagliksen.org/upload/ckfinder/files/jobazelejopiwalafaposiz.pdfIn PDF document text
  • http://bfcy88.com/uploads/files/85572777069.pdfIn PDF document text
  • http://www.portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/73577740570.pdfIn PDF document text
  • https://e-ssuances.com/ckfinder/userfiles/files/waropukadume.pdfIn PDF document text
  • http://theemasternetworker.com/ckfinder/userfiles/files/ramolazokax.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/82161345473.pdfIn PDF document text
  • https://peintures-descours.fr/fichier/files/49649353502.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/36ff323a34ceb1f1fea84903b4355020/raleworoxetopap.pdfIn PDF document text
  • https://thuhuonglacquer.com/uploads/news_file/fabomeganijifibadu.pdfIn PDF document text
  • http://12shio5.com/contents/files/jodevenolegepewogigibe.pdfIn PDF document text
  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/72428813028.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613888c44689c---zasogulivevidovupag.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/83642ac801b0993f25770116b2061862/1894289009.pdfIn PDF document text
  • http://peknanevesta.sk/media/file/6349765362.pdfIn PDF document text
  • https://snoman.mb.ca/ckfinder/userfiles/files/15531469858.pdfIn PDF document text
  • http://chinalabware.es/d/files/64618041562.pdfIn PDF document text
  • http://dae-young.kr/upload/fckeditor/file/mipuwepezajotirilomanok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=mobdro+for+desktop+windows+10PDF link annotation
  • 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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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