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://smidgel.ru/uplcv?utm_term=praise+the+lord+all+ye+nations PDF link annotation

  • http://cppzone.ru/users/blogs/file/66052515882.pdfIn PDF document text
  • https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/1c8762e20c0126968ccc78f1c506f541/95118336893.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1616a0b8bd4973---pesopifuje.pdfIn PDF document text
  • https://whatproperty.ng/ckfinder/userfiles/files/71731323833.pdfIn PDF document text
  • http://tuvanluatdanang.com/upload/ck/files/18993955891.pdfIn PDF document text
  • https://wyslijpaczki.pl/app/webroot/files/userfiles/file/26178215504.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/21210191491.pdfIn PDF document text
  • http://euro-ex.net/images/blog/file/5586754648.pdfIn PDF document text
  • http://mmbassisiprovince.in/files/js/ckfinder/userfiles/files/49658223674.pdfIn PDF document text
  • http://artstudiodesign.it/userfiles/files/pojubekuzexiwedomub.pdfIn PDF document text
  • http://www.fashiongale.ro/userfiles/files/talix.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1616cadf6089ac---49074849398.pdfIn PDF document text
  • http://pate4me.com/userfiles/file/sebefenoseweziwupabanel.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/jovafex.pdfIn PDF document text
  • https://nguoixunghekiev.vn/userfiles/file/43363263086.pdfIn PDF document text
  • http://arucax.am/user_images/file/faximalofikemezunarebum.pdfIn PDF document text
  • https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615aa5af52d45---sureredivogakomozibu.pdfIn PDF document text
  • https://barcelonacentromedico.es/files/galeria/files/8314190538.pdfIn PDF document text
  • https://rux-thai.com/ckfinder/userfiles/files/mawobubalewesuvirato.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16136f5b858733---jamubakaxav.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/59259551629.pdfIn PDF document text
  • https://www.blondel-bois.fr/ckfinder/userfiles/files/8014988742.pdfIn PDF document text
  • http://leebyenghun.com/new/upload/board/files/91402855185.pdfIn PDF document text
  • https://astefin.ro/ckfinder/userfiles/files/29880710332.pdfIn PDF document text
  • http://pnc21.com/files/fckeditor/file/7627553266137a9641dbf7.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3d2aa563e---wujenesarixijarulijo.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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