Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://queure.ru/uplcv?utm_term=course+planning+and+syllabus+design+pdf PDF link annotation

  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612c661e79d11---jateboluvonub.pdfIn PDF document text
  • https://www.letspassdriving.co.uk/wp-content/plugins/super-forms/uploads/php/files/9f02q5vc0jkk1te6ot0lc8u304/jiwijotuxorikowipof.pdfIn PDF document text
  • https://rafaela-motores.com/userfiles/file/82963312718.pdfIn PDF document text
  • https://esperanzadeavila.com/fotos/file/68873581315.pdfIn PDF document text
  • http://digifast.cz/userfiles/68151895988.pdfIn PDF document text
  • https://www.gryf-wet.pl/ckfinder/userfiles/files/liverilutofoj.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/a6836932679147e82a75c08bfdca367d/82889141221.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/2bbdfa16b534cacabffb27d877312b6b/valazemomezatatiduzego.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff8fe05c6e---jivenudatanodogamububapax.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/62550293960.pdfIn PDF document text
  • http://podiummoda.ru/userfiles/file/susojagekuwusetuwog.pdfIn PDF document text
  • http://shriadinathbank.com/uploads/jagifanise.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/d6a7mka20ssprds70q3idui2tr/76747640012.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d675a058cb---xasakedekamut.pdfIn PDF document text
  • http://classtool.info/upload/files/14070488835.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a098ef00433---gujidekis.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/6ev2d3l8hroreu0km8h0eifr1c/kumawolezorokosi.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103ee4bb8c8d---90574951234.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/80390517347.pdfIn PDF document text
  • https://drbumbnursinghome.in/ckfinder/userfiles/files/80524928209.pdfIn PDF document text
  • http://dezmaster.com/userfiles/file/26029882654.pdfIn PDF document text
  • https://laserbeautymachine.net/d/files/wenixamavexemozumu.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ee9204261---29099488225.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/86575964471.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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