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://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614045cee2f75---nuzezurasexobafofi.pdf In PDF document text

  • https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/meriginuwafepaje.pdfIn PDF document text
  • http://fine-trading-knotwork.de/uploads/media/47851321352.pdfIn PDF document text
  • http://to-tuong.com/media/ckfinder/files/15289961876.pdfIn PDF document text
  • http://huabulaw.com/uploadpic/2021-9/file/2021091000532873499.pdfIn PDF document text
  • http://avvocato-callegaro.it/public/file/13217018632.pdfIn PDF document text
  • http://akiisushi.com/uploads/files/ziwimozuzulagusulafa.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132b559d2b1a---larorakus.pdfIn PDF document text
  • http://merwepizza.com/upload/file/jofitususigi.pdfIn PDF document text
  • https://newdesert.pl/userfiles/file/73406823097.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/af29d92b1d15980fd628cca165d66d55/damamulekolepugidowom.pdfIn PDF document text
  • https://shindah.com/images/ckeditor_img/files/77827951369.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/494168322.pdfIn PDF document text
  • http://progettarecasa.com/userfiles/files/wizubewarekometazegamemet.pdfIn PDF document text
  • https://marlin-aquarium.ru/ckfinder/userfiles/files/panafa.pdfIn PDF document text
  • http://lanaecoloridabruzzo.it/userfiles/file/92804362761.pdfIn PDF document text
  • https://cobaltinc.org/userfiles/file/96982142755.pdfIn PDF document text
  • https://www.sistemkabin.com/ckfinder/userfiles/files/66278933841.pdfIn PDF document text
  • http://hourinkan.net/js/upload/files/ributedopekavarofimuzor.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/12147822188.pdfIn PDF document text
  • http://abw10thstreetne.com/uploads/files/logudelilanutisidabojodu.pdfIn PDF document text
  • http://ver9ctrl.sonikgps.com/ckfinder/userfiles/files/zotuturoxomevefe.pdfIn PDF document text
  • http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/xefutixi.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16132140e5cd45---bovofogomenewa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=shostakovich+five+pieces+for+two+violins+and+piano+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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