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://chcial.ru/uplcv?utm_term=quintana+roo+mapa+pdf PDF link annotation

  • https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/55ce539736e79bc0b56fa84bfa891648/nuxepoduzuv.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/2390d2388b25507f2d6b05b2d2b221d2/kurepozeven.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ba5ea89ce---dolexe.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/421a381e1189e55bbf836b68129677f2/47180624986.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/8bae261c16aa4daab87db799999ef09f/38814014045.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/pfkkva7mqb3gu25hfi0lca4qos/23581525936.pdfIn PDF document text
  • https://itscebu.com/upload/file/20210826144650.pdfIn PDF document text
  • http://verkaufs-akademie.com/userfiles/file/87812914323.pdfIn PDF document text
  • http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/39131607851.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/l31polgdmb3qd8ehkl01mo0ooo/35286437131.pdfIn PDF document text
  • https://tonitomov.com/picture/file/potusalagidujutofisowu.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/16610142406.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e943d7221d---midejal.pdfIn PDF document text
  • http://heaig.org/editor/ckfinder/userfiles/files/73714028146.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/88309893692.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/gobaguwekaduzenimuxok.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608216fd4ed31---mikeluxutupi.pdfIn PDF document text
  • https://isuzuphonoi.com/data/dulieu/files/43453175348.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/33o30073akrounu9mpnj58r09j/negexazozekigof.pdfIn PDF document text
  • http://hanasushipickup.com/uploads/files/7292651616.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7e0aa7184---14582277226.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094224d53c8e---84663304556.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160d9ec6b811c7---60812768614.pdfIn PDF document text
  • http://hillandbrownfamily.com/clients/76964/File/63404761322.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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