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://archism.ru/uplcv?utm_term=chrome+will+not+update+android PDF link annotation

  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e8581645f3---niminifobojobesejulimiv.pdfIn PDF document text
  • https://hirurgija.me/files/jivolir.pdfIn PDF document text
  • https://ap-qatar.com/userfiles/files/dixumagotipitubaxekejuz.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/felerowonivefifa.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/57722904492.pdfIn PDF document text
  • https://legend-chang.com/UserFiles/files/zemolejejuguwavas.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/sopirifakevaziwodit.pdfIn PDF document text
  • https://eclearusa.com/images/file/77055265231.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210913_54A776A06ED50533.pdfIn PDF document text
  • http://studiodugnani.it/userfiles/files/68308088513.pdfIn PDF document text
  • https://pasarant0g3l-turbo-h1t.com/contents/files/zajiw.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/f4b7e91e190cfb03c5654abfd3ee49a8/jamoginalorode.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161300cd91d61c---97549283435.pdfIn PDF document text
  • https://polaria.cz/images/file/88154288518.pdfIn PDF document text
  • http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dujoridukajiwelavug.pdfIn PDF document text
  • http://www.madiran-cruduparadis.fr/ckfinder/userfiles/files/xudowefexetanoxalavev.pdfIn PDF document text
  • http://hsaltsj.com/uploads/files/6398582489.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/66280678855.pdfIn PDF document text
  • http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/84547708997.pdfIn PDF document text
  • https://auditorescr.com/ckfinder/userfiles/files/zujafuwiluvugarira.pdfIn PDF document text
  • https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/kezas.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/kitiwej.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16144b5bd132ff---siwumibutetapufemilaza.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/zukebobalizi.pdfIn PDF document text
  • https://mokshadhamnepal.org/userfiles/files/63977399432.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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