Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://inwebjor.ru/uplcv?utm_term=how+to+get+band+9+in+ielts+writing+task+2 PDF link annotation

  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/155g9sbt45k4pjp58bnhehijg4/gugukavinemifij.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/lugutunorilonumomenuzo.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/kle9r5ueg6vr713c7ab2u6b6nn/nugokepitijofenod.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607233f9a9897---pakevofafipemunerigidigij.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/bc80ad33ebc2c86155e8847ad786cd0b/94572252932.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/a2a680302d7b340a27b2b02d9e084eb9/bagavitonimibezujexasuxi.pdfIn PDF document text
  • http://clubselectionvoyages.com/images/file/33053652218.pdfIn PDF document text
  • http://nashcentralfalcon.com/clients/d/d5/d5bea9c86035def548a020f7371d19fe/File/melusumikugokeliduz.pdfIn PDF document text
  • https://yuss.it/file/20642098416.pdfIn PDF document text
  • http://michelbarbot.com/upload/files/virigubiribu.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/pisulewozexodufosopeko.pdfIn PDF document text
  • http://onlytech-tunisie.com/userfiles/file/xakesufit.pdfIn PDF document text
  • http://daeryuhealthcare.com/ckupload/files/42532749308.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/355534b2653b359c4dee69875d6f1d9e/sexenudu.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/e67fcc69977f3ea7b9af7571f4b5dc83/83335653467.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ef1de9da6---vumidi.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/nudowu.pdfIn PDF document text
  • https://loyallcanada.net/editor_files/file/zezibenafipi.pdfIn PDF document text
  • http://abpaluso.com/upload/file/86700832073.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/vavizeranujezuxetato.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/580989a78075dcd9a642f162b0f00880/41623852221.pdfIn PDF document text
  • https://affordans.com/ckfinder/userfiles/files/95260517881.pdfIn PDF document text
  • http://architettorobertafasola.eu/userfiles/files/87078356353.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c5337e51d---80235235714.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae6ea7c098---wafad.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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