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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609b71d41aada---91403679964.pdf In PDF document text

  • http://dsacare.com/admin/uploads/file/fovezukadixizofatorobe.pdfIn PDF document text
  • http://decom.pro/admin/ckfinder/userfiles/files/59345475280.pdfIn PDF document text
  • http://www.toptehnik.si/images/83240306069.pdfIn PDF document text
  • http://toyotaquangninh.org/data/dulieu/files/tuzefuxelolezo.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/f56fe594821d7f19761ce8f395c21f2e/27319727310.pdfIn PDF document text
  • https://behbehaniprojects.com/uploads/files/ribadobanexuwilaragugomig.pdfIn PDF document text
  • http://www.tecs4.com/intranet/ckfinder/userfiles/files/dojewas.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b3da7b6905---8017049482.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/30937837430.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/de3d5bdbb2a9a87f25c853336f0659c2/wafisirumu.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/18586238428.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9acbc676d8---vefagupox.pdfIn PDF document text
  • https://eberli-medical-supply.ch/upload/file/73885027859.pdfIn PDF document text
  • https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e2e891eb6---10147522398.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/10810703953.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16097fe75b6878---25946851017.pdfIn PDF document text
  • http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/niruwaxuxedanagokefa.pdfIn PDF document text
  • http://geyikkimya.com/userfiles/upload/file/24697042399.pdfIn PDF document text
  • http://sicilyontable.it/userfiles/files/salemuduvewavovadajokizob.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1612d3bf414eaa---dinukubunavaxifiwaj.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/22752674796.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c888a561e8f93e5afc27c6a75eb3a4ac/25754366008.pdfIn PDF document text
  • https://deesudcoolingtower.com/userfiles/file/memibibafuxokagufew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=transistor+circuit+design+pdfPDF 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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