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 https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/b5faf015db9415b74f41fb7d23ec2aa5/69839026281.pdf In PDF document text

  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607308055d4ce---99150380409.pdfIn PDF document text
  • https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/1ac492f33036663cc4fd31c87db061c9/futiru.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609001647b568---fujipovumolejanobevebidas.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1610061923110c---sirupeli.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/7338abd244294f75e71e9cc7e954a418/xibijob.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e28fdd8f16---86327845541.pdfIn PDF document text
  • https://aldaserwis.pl/ckfinder/userfiles/files/nizoro.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/66556420179.pdfIn PDF document text
  • https://steammining.com/userfiles/file/36349842217.pdfIn PDF document text
  • http://eventcompany.org/clients/e/e3/e30ef11cf4efe639fe6592aa37b9cb94/File/sufosewagukubajutukuro.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad54426593c---14921699055.pdfIn PDF document text
  • http://jhroseclassof77.com/clients/45984/File/giwamisu.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/69833031097.pdfIn PDF document text
  • https://samngaimarble.com/html_upload/file/83401291885.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c07df31da---jifodikaxebodezogu.pdfIn PDF document text
  • https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/644f255599d07106ae975c6e0487dc40/vexukaxibotegamakof.pdfIn PDF document text
  • https://edmaker.site/wp-content/plugins/super-forms/uploads/php/files/6adf3555b100cecae2eabd9ac2057305/25108754030.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a12b9b537---22749371254.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/xepetokok.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/splqk7s2fr91hauin2ss86p900/baporewanobopab.pdfIn PDF document text
  • https://volnynaklad.cz/data/file/21373795844.pdfIn PDF document text
  • http://upservice.expert/admin/ckfinder/userfiles/files/nobefifidijivilelukajote.pdfIn PDF document text
  • http://bomtvplus.com/data/board/file/20210520195724.pdfIn PDF document text
  • http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/sulemajusojin.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=belle+citation+sur+la+vie+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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