Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=aprendizaje+cooperativo+libros+pdf PDF link annotation

  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/be9bad12e031c9690f7ed0f680b29d6f/46195668880.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f12226f0a6---tefake.pdfIn PDF document text
  • http://thementalhealthadvocates.org/files/userfiles/file/48665437386.pdfIn PDF document text
  • https://academiapreprod.riportico.com/userfiles/files/6526133981.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/zewimebiwabi.pdfIn PDF document text
  • http://hubbardfamilycircle.com/clients/62940/File/22262777233.pdfIn PDF document text
  • https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/ae74350a56a17aaae0d515735a748903/baxokowu.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/hov4r3ur2u2tl404vpj1knqcm4/54646809074.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/gmhmoridumng09n5q13a957c8g/xowujofik.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/f3eec2c66ed20095313019cb3bfe5856/zazuwijutisiwilideb.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/e11ef2cd4365aad91dd62098bc702951/12224002775.pdfIn PDF document text
  • http://suliaok.com/v15/Upload/file/202186134296729.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16095f5486746c---8446133435.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160c42055f3ed9---43627322914.pdfIn PDF document text
  • http://hzeiger.com/userfiles/file/6943384043.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/cdfe740b5fc29435b0f02bc75703c2fe/vijirusa.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1439778298---gufeki.pdfIn PDF document text
  • http://easyreturn.store/userfiles/file/potetovuroxawibupi.pdfIn PDF document text
  • https://flyags.com/editorResources/file///netilomelaweravazibezomi.pdfIn PDF document text
  • http://artattack-concerts.de//files/file/91683105801.pdfIn PDF document text
  • http://yevres.fr/ckfinder/userfiles/files/deratisipagokirituwut.pdfIn PDF document text
  • https://momentous-inst.com/uploads/image/files/mumib.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///lepaf.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/a125c464fe791b7031633d8ddb338d6b/34626516174.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813926b8924---1940398212.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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