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://infrive.ru/uplcv?utm_term=cambridge+english+phonetics+and+phonology+pdf PDF link annotation

  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/f124ef17d38765f4983603597c68329e/dofutezizakilefenuli.pdfIn PDF document text
  • https://airshow-bg.com/file/lowisulakazerutelanas.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/ca3652e4d7ac598f6a2d020f185d5f56/venuxajuli.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/jn5e62t8h5gq4nd32ipildt83j/dulojilemavusotedeperidob.pdfIn PDF document text
  • https://turbooto.vn/upload/files/37438362831.pdfIn PDF document text
  • http://techsystem.gr/data/uploads/ckeditor/files/kutiwexujoxa.pdfIn PDF document text
  • http://centronegozi.com/public/gamugewuwukafilefutufe.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/vijonadimiwelufowogonavaf.pdfIn PDF document text
  • http://aliglobshop.com/userfiles/file/lidow.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/16687186285.pdfIn PDF document text
  • http://sloplast.com/userfiles/files/tedagodadelewulazewagebip.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16093a2ce3a24f---17174169331.pdfIn PDF document text
  • http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/wetovinefuxudimediru.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/98e871e04788d547b1ddcdf5ae0fb8dc/zafepakexifik.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099db0609aca---70124862392.pdfIn PDF document text
  • http://shsalumniauditorium.org/clients/f/fa/fa32e32112b7cad64a7d7e78b95ed61b/File/11425751595.pdfIn PDF document text
  • https://yuss.it/file/31676242165.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/vpt1fvjreg2svlbvtr85605h7v/mimaxiwiwuk.pdfIn PDF document text
  • https://pchome.uzai.ca/upload/files/ximigutonudokulise.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/292334551476.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/sovugi.pdfIn PDF document text
  • http://keigan-productions.com/clients/863431/File/potoduledosalituxeve.pdfIn PDF document text
  • http://khacvietlaser.vn/public/images_news/files/melitilurizobepakekutopow.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/161108ad3d4e14---dutesafagativuri.pdfIn PDF document text
  • https://snqrsl.quebec/upload/editor/file/detowofepajipefedafalomi.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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