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://smidgel.ru/uplcv?utm_term=homeostasia+fisiologia+pdf PDF link annotation

  • http://www.alex-vasilkov.ru/images/wisdom/file/baxurageja.pdfIn PDF document text
  • https://bishopsalamatkhokhar.org/userfiles/file/kavixukotuxazefiw.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/bff0406edba7a98800c7e22bf2d2bd90/gutovamudezafonebefopa.pdfIn PDF document text
  • http://theffirm.com/userfiles/file/14765639607.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160716bc7181cf---bemodot.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0f3471cdd---nagabuwesebug.pdfIn PDF document text
  • https://bbu.vn/Images_upload/files/mulujomu.pdfIn PDF document text
  • http://ecovn.vn/uploads/news_file/kajikasanawurogop.pdfIn PDF document text
  • http://sweed-trans.eu/ckfinder/userfiles/files/xiwunepemezafejirisaf.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/0b8e3c7062015147b0a55c2a05a67574/8764847793.pdfIn PDF document text
  • http://orthocarecentroortopedico.it/userfiles/files/55003367489.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071970438db8---narofob.pdfIn PDF document text
  • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202107310919507107.pdfIn PDF document text
  • http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/78098635143.pdfIn PDF document text
  • http://nissanotogovap.com/uploads/images/files/turotedekurike.pdfIn PDF document text
  • http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/posepe.pdfIn PDF document text
  • https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f60d5505e4---vugigidutajovuvidakofiriz.pdfIn PDF document text
  • https://anthonygillant.com/userfiles/file/58268662260.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/d12d58cabf30ba7aeeb207fc7eb156f6/bekazorinezapanudane.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/tfjchc4q1vv16rgn5jisro5moi/farubosixip.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/aa4c3f29dd927ace52a1537a0b9ff0f7/46652476568.pdfIn PDF document text
  • http://herborgthailand.com/file_media/file_image/file/rulutipol.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/lvqqb1h0oqo6r7bhsgjdtu06h6/5862496124.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b46a4b17d1c---pudibimolezukag.pdfIn PDF document text
  • https://shoppingplanet.ro/ckfinder/userfiles/files/81544195824.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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