Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://huntic.ru/uplcv?utm_term=grand+theft+auto+sa+android PDF link annotation

  • http://bukharaalpharetta.com/sites/default/files/file/87736812124.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/0ba8b17dbfd8bd92e063e43df46e2b6e/92394431863.pdfIn PDF document text
  • https://harshahometutors.com/uniformkontakt/userfiles/image/files/gumumixafepojifigeg.pdfIn PDF document text
  • http://urbancollab.com/userfiles/Proj_Name/files/nemoko.pdfIn PDF document text
  • https://abouelhoulgroup.com/userfiles/files/wogimojifebinenafurimoxaj.pdfIn PDF document text
  • https://haisanquangninh.org/data/dulieu/files/36730472686.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369ff523ec8---dekatulekute.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/60ff8436792107ee5a24747482479f4d/41764354768.pdfIn PDF document text
  • http://dierenwinkelindex.nl/images/uploads/90092197681.pdfIn PDF document text
  • https://msiutilities.net/documents/55460657258.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/zetajeluwabukunomikibir.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/xikizutekore.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/jozak.pdfIn PDF document text
  • http://vxclouds.com/userfiles/file/dotesejoman.pdfIn PDF document text
  • http://surestegc.org/documentos/file/zekedofalezetevigisotebu.pdfIn PDF document text
  • https://led7.ru/file/86577238630.pdfIn PDF document text
  • https://clubsecurite.fr/webroot/upload/files/radatuvarowulukulejus.pdfIn PDF document text
  • https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/85706530832.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365d45aa981---68029217290.pdfIn PDF document text
  • http://etalentlink.com/uploadfile/file///2021090210181341.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/35990136846.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/ribakuloxop.pdfIn PDF document text
  • http://box8websites.com/ckfinder/userfiles/files/71655317864.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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