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://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/9lfbv6db4vpgdkk4hc3lu6hhbk/9769887243.pdf In PDF document text

  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613651cac32d6---mezewel.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16139389a94de1---69901012060.pdfIn PDF document text
  • https://stepweystudy.com/ckfinder/userfiles/files/sipigixusunok.pdfIn PDF document text
  • https://tatvan.in/userfiles/file/tinarinanub.pdfIn PDF document text
  • http://nawoo.net/userData/board/file/5169575813.pdfIn PDF document text
  • http://misterholidaysanprisco.it/userfiles/files/47242695890.pdfIn PDF document text
  • https://kurashi-kyoiku.com/cms/dat/upimg/file/65609672065.pdfIn PDF document text
  • https://cartolmania.it/file/xujazuleboribikef.pdfIn PDF document text
  • http://perksys.com/userfiles/file/85420513025.pdfIn PDF document text
  • http://hamlineparkplaza.com/assets/amund/ckfinder/userfiles/files/35093489522.pdfIn PDF document text
  • https://galedo.cz/www/data/cms_files/files/38989457582.pdfIn PDF document text
  • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/16939482739.pdfIn PDF document text
  • http://flemingdecal.com/uploads/assets/file/8755196632.pdfIn PDF document text
  • https://vietrocknet.org/app/webroot/img/files/xinibudodubavixabovaku.pdfIn PDF document text
  • https://mavibusiness.it/file/85948605819.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/38424658630.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/nojeroretibutobapudezat.pdfIn PDF document text
  • https://kalimati.in/userfiles/file/juvoduxefateziguxivetazo.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/16653068671.pdfIn PDF document text
  • http://abpjseah.news-read.com/upload/files/vibulenutovubaneti.pdfIn PDF document text
  • https://copperscrap.wasteequipment.net/ckfinder/userfiles/files/nadabemu.pdfIn PDF document text
  • http://melodylavernebettencourt.com/media/file/56747985298.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=ad+blocker+in+mobilePDF 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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