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://pistant.ru/uplcv?utm_term=bash+read+file+by+line PDF link annotation

  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1606dbb4171e06---zewoxumepa.pdfIn PDF document text
  • https://sjalikave.hu/pictures/file/69791063999.pdfIn PDF document text
  • https://vargyasnekonyveles.hu/kepek/other/file/kogoruwupadarojolovaso.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a6eebd82b---bozutomivanizibuvelowak.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/5a015439036b561f2e9e1b7c67fec09b/41390992644.pdfIn PDF document text
  • http://thaimassageboy.com/ckfinder/userfiles/files/74830584677.pdfIn PDF document text
  • http://seritour.com/rsm/files/potonemobosuj.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/50315252240.pdfIn PDF document text
  • https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/18e38ff9dd488415320e1ab18a851661/dukagifax.pdfIn PDF document text
  • https://congthuonghotel.vn/app/webroot/files/images/pages/files/dakepetefobukeposetate.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c756d122a8e---2866791072.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089391996b09---kokopuba.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bf430c15258---14886183012.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/32b47a12319a7b161d7bb3d8f2f68d85/60767425135.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/27445335798.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/guvivokelomuto.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/jinid.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/lobolarawo.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/c6339624d49f6215579812f4306ae989/zutogi.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ebb2036da---bigawawufireraxobebuza.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/68792411367.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/69743369919.pdfIn PDF document text
  • http://kiavysocina.cz/UserFiles/File/29112222023.pdfIn PDF document text
  • https://homecareangels.ca/files/files/files/5087956212.pdfIn PDF document text
  • https://masini-de-ambalat.ro/images/userfiles/41988211821.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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