Malicious PDF — malware analysis report

Heuristics 7

• 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 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 https://wastran.ru/uplcv?utm_term=basic+theory+test+handbook PDF link annotation

  • http://finadev-groupe.com/userfiles/file/vasunujexipibenatodopiko.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/2862d88ed843bc631a75737ecec8d739/50576686392.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16138bce1f2651---benibobarufede.pdfIn PDF document text
  • https://www.anoregmt.org.br/ckeditor/ckfinder/userfiles/files/34026622857.pdfIn PDF document text
  • http://blankheich.de/images/uploads/file/xoratezuponutuw.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/bulonimovade.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/vibejularogisofiz.pdfIn PDF document text
  • http://ttc-investco.com/img/files/kakodasawar.pdfIn PDF document text
  • http://tatishev.ru/admin/ckfinder/userfiles/files/5545206334.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/80e0450f3f5f27cb43debb12538ce409/bemazapexika.pdfIn PDF document text
  • https://barcelona-health.com/files/galeria/files/53045534109.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/64839253768.pdfIn PDF document text
  • https://hobbypet.cz/files/file/47877114339.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aba96a594d---58822687173.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/f3135131bee0cd2dd36552ba6e06f8c8/sutinuwunibomapalusoviv.pdfIn PDF document text
  • http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/8516583324.pdfIn PDF document text
  • https://tmtteks.com/files/vodit.pdfIn PDF document text
  • http://phatnang.com/media/ftp/file/vugubafeganitigola.pdfIn PDF document text
  • http://iuf.kr/pds_down/files/javiraruve.pdfIn PDF document text
  • https://viadagio.be/userfiles/file/42032227511.pdfIn PDF document text
  • https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/76527226360.pdfIn PDF document text
  • http://compow.net/ckfinder/userfiles/files/57339713935.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161496e7e77f12---zoxadudinu.pdfIn PDF document text
  • http://lianbang123.com/uploads/files/202109200350578118.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145730517561---kubokoxebidotodud.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/jetopudujuvotelibo.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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