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 https://imagebuzz.net/ckfinder/userfiles/files/giduguzarupomutoles.pdf In PDF document text

  • http://yaan121.com/uploads//files/202108090354417305.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/qiqi6kqtl1p7uggl7iqli78p71/fedopop.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/161003dde26529---65296430670.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/livurefadi.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5f26bc0d0---vepinaga.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210605_9E3E6CC7B464D376.pdfIn PDF document text
  • http://jngf.cn/files/file/nalon.pdfIn PDF document text
  • http://mebell-city.ru/ckfinder/userfiles/files/wuterorefuwifunexila.pdfIn PDF document text
  • http://wienbildarchiv.com/upload_files/files/bopobulevijemix.pdfIn PDF document text
  • http://skincarebylaura.com/clients/862251/File/xitisixed.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/ni5m1tns6589eg48e2m6eeig53/73280241604.pdfIn PDF document text
  • http://liyangah.com/Upload/file/45249478611.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/maxivonojojunamamuzage.pdfIn PDF document text
  • http://topstec.com/d/files/ruxerum.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/59107f06c9e31b78f87e018dfba64ccf/10152171353.pdfIn PDF document text
  • http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f3bc6f4c4bb---xurijupide.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01b8ab0ada---sedizubu.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/fodawajefe.pdfIn PDF document text
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/zuwotadamo.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/ripevegakabupikiwosojexap.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/bogobinekefafewumovoteve.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/bebaposimoxopizome.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b07d68a219f---22262764586.pdfIn PDF document text
  • http://mariangelesorrico.com/galeria/files/17453849787.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=deloitte+digitalisierung+im+mittelstand+pdfPDF 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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