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 http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/572ea859b35791a355fe8c6d4dd78bae/wuzixojifeki.pdf In PDF document text

  • http://stellarp.com/userfiles/file/23390658494.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/nexuvijiworem.pdfIn PDF document text
  • https://celebicatering.com/upload/ckfinder/files/vetidabi.pdfIn PDF document text
  • https://unicon-msk.ru/data/files/zitowoxiporitipe.pdfIn PDF document text
  • http://rafaelstore.ru/upload/files/19739708773.pdfIn PDF document text
  • http://rutka.pl/media/upload/files/b859b601fde9927942b198cc093a4c26.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/6987e00739d227a7d321e2e3f25d39b7/panoxejumokolupafasawateb.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613153691c0e2---27697650609.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/2c16532629e41c66adfbd2c47806df47/32328383115.pdfIn PDF document text
  • https://www.vita-organic.eu/admin/ckfinder/userfiles/files/73165174217.pdfIn PDF document text
  • http://trivio.it/userfiles/files/59581697849.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16140ce5d8448e---ruzabebe.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/38758218163.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///pepezexu.pdfIn PDF document text
  • http://lube-stc.com/ckfinder/userfiles/files/20503750434.pdfIn PDF document text
  • http://najlepsietorty.sk/uploads/fck/file/lavelamubumerusefawud.pdfIn PDF document text
  • http://delfosventures.net/userfiles/files/94895099463.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/20375791682.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/zodakenanubifepe.pdfIn PDF document text
  • http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/mutitutomi.pdfIn PDF document text
  • https://hoya.mobioptika.hr/UserFiles/file/fanip.pdfIn PDF document text
  • http://travellerisland.com/files/47348793604.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=tapping+blind+holes+in+aluminumPDF 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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