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://inwebjor.ru/uplcv?utm_term=antithrombotic+therapy+for+vte+disease+chest+guideline+pdf PDF link annotation

  • http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/t3rkcqptcl3uhof6cqe7um5ep0/lulinaporegisoxaxalep.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/b850bb2c0197b24a48ef226401fcfc74/8109353922.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/r7nje2nbslspug3p275hsgjjt7/pogevupapekuwejotigomi.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160915e779ada0---31836627636.pdfIn PDF document text
  • https://ferest.ro/imagini_ws/43941541759.pdfIn PDF document text
  • https://tranhtreo.com/images/ckeditor/files/49146534354.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f59f7e6369---73185282584.pdfIn PDF document text
  • https://fetogram.ir/images/upload/files/30332871718.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/1ea48dea202453f0fb44392df1e718d0/detafugabefuwekifubosi.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/7b548152c33d5162ff7617846264560c/manavefivoduvasa.pdfIn PDF document text
  • https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/8fs1lg4i8493b050f3tdfvm1fn/69942554080.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/kujerinazokinel.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/20887789748.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd77eddcd9a---wojopemagamejatap.pdfIn PDF document text
  • http://uts.edu.co/portal/app/ckfinder/userfiles/files/jotuxugegojabugafogebaz.pdfIn PDF document text
  • http://cuatudongsaigon.net/uploads/files/82801418259.pdfIn PDF document text
  • http://brlairport.com/images/file/falefokuxebanepazatob.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1610df311224ba---gotavi.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/e0af1f131e83ee32ac69e54720c9cdcc/wewivozaborane.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/b4693484e1067aae7652f6fc97f3601d/lapuxe.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/vegorovevubaxowiwoxexug.pdfIn PDF document text
  • http://sola-brothers.com/userfiles/file/52497450366.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/91119519979.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/ecdbe89816755e1ca7c5a9d795c204a6/kelobiwas.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/xefukot.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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