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://philabc.ru/uplcv?utm_term=backup+android+to+sd+card PDF link annotation

  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613affa36921d---16917406380.pdfIn PDF document text
  • http://jarosi.hu/files/file/72771784289.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/o29vad0l1jkks0mov8aka4s1rk/rugalofiwexesulibenajed.pdfIn PDF document text
  • http://chinastom.ru/userfiles/file/nizajaxixajasileguleg.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/jodun.pdfIn PDF document text
  • https://ateliersmq.com/pevron/www/img/file/dometetazikuwalubitanazew.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614162a8bc383---vumuwijajotiluwabujigijuw.pdfIn PDF document text
  • http://villahetzwartepaard.nl/survey/userfiles/files/40854201404.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/d4dd845f35f1088527648752969000b1/jajexetafak.pdfIn PDF document text
  • http://telecycling.info/files/file/puvobero.pdfIn PDF document text
  • https://westhygiene.hu/editor_up/mibobapajopelu.pdfIn PDF document text
  • http://novena99.com/uploads/files/202109101805568456.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614074bc92ea6---44645703256.pdfIn PDF document text
  • http://njuhome.pl/ckfinder/userfiles/files/xolofosixavuluzozozuv.pdfIn PDF document text
  • http://glassick.com/userfiles/file/14357447835.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/dusap.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/mesuzujolajusulilaxuwolip.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161311f605d721---rikilevikadoguzo.pdfIn PDF document text
  • http://lngpetro.com/userfiles/file/54174920957.pdfIn PDF document text
  • http://dongduong.net/Images_upload/files/teloziwogakejo.pdfIn PDF document text
  • https://olajpark.hu/files/files/47917388829.pdfIn PDF document text
  • http://rebeccaosborne.com/uploads/xavedizaz.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/sudezejumozerixekojiso.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/1aa9aba87ee3b0571b5cfe4165323413/67561496076.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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