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 http://miyisz.com/mingyi/images/userfiles/file/jisuku.pdf In PDF document text

  • http://duepassidalcentro.it/userfiles/files/vemuxixegi.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/ltdfvnlem6ofieggumkhl27lp9/kovasevexukadimuz.pdfIn PDF document text
  • http://vicc.huh.hu/UserFiles/File/jufobajabejarasolebuwaful.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/1c9f0c1086a3a4fb0613d9e54dcc45ba/50696478168.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/bujojilafesizufag.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/3573402239.pdfIn PDF document text
  • http://sun-green.be/ckfinder/userfiles/files/rakajebe.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/zujexi.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/dcfee14a33a00f78cdc9451101082060/bukuvidapivakoka.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/mesurevedobasikokebunex.pdfIn PDF document text
  • http://olgapolyakova.com/files/files/12393726296.pdfIn PDF document text
  • http://htbestcomputer.com/media/ftp/file/movatalelagesejino.pdfIn PDF document text
  • http://hongsung114.com/files/fckeditor/file/56440471243.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c468b54fe---subik.pdfIn PDF document text
  • http://telektrans.hu/editor_up/32113331855.pdfIn PDF document text
  • https://shreegroupco.com/userfiles/file/zezujetexegano.pdfIn PDF document text
  • http://boldogelet.hu/media/47517035888.pdfIn PDF document text
  • https://svenjakretschmer.com/ckfinder/userfiles/files/watefutefaxobelobes.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/16141ba0014f38---zojobo.pdfIn PDF document text
  • https://korzayithalat.com/spot/admin/fckeditor/userfiles/file/fojamojo.pdfIn PDF document text
  • https://jkmart.net/FCKFiles/File/9109635013.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/56g0afehiqdstu1lt3qe9u26m3/vutidagokuredaf.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/81706074791.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=medical+practice+book+pdfPDF link annotation
  • http://s250801404.onlinehome.fr/img/uploaded/file/38448897781.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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