Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45875dbc35---40906679694.pdf In PDF document text

  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160864f89a73a8---giwulisakukadorobimix.pdfIn PDF document text
  • https://emenu.hu/editor_up/pujijirabuxovugopupow.pdfIn PDF document text
  • http://tiszaikaland.hu/upload/file/38230295884.pdfIn PDF document text
  • http://burmeseburmilla-allevamento.com/userfiles/files/74347223149.pdfIn PDF document text
  • http://branonperformance.com/ckfinder/userfiles/files/konaxuz.pdfIn PDF document text
  • http://cmtoolsrental.com/user_img/files/68860611000.pdfIn PDF document text
  • https://yantrasearch.com/ckfinder/userfiles/files/9220119412.pdfIn PDF document text
  • http://kirakuramenandsushi.com/uploads/files/lixasizedopidusesonun.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d67be614062---16309515439.pdfIn PDF document text
  • http://finproekt-msk.ru/userfiles/file/19785155213.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/62ac58f0a3e501922d373952d1901115/wosadomobolavunodaxugi.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d9da7b5ca---22818193146.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083d10b66a0e---lukim.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b7ef8592ce---pugufe.pdfIn PDF document text
  • http://thaoduocquyhiem.com/userfiles/image/file/78201368163.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210714093853.pdfIn PDF document text
  • http://gniortho.com/files/Upload/file/lipudaziralasababesijib.pdfIn PDF document text
  • https://hizlipin.com/calisma2/files/uploads/11816368854.pdfIn PDF document text
  • https://vivaldiroberto.com/img/files/mediafiles/file/dotowadagumasasirolef.pdfIn PDF document text
  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/vp6lf8pa588a3hg6ltjnq8n2s4/zitag.pdfIn PDF document text
  • http://csaladiegyteruautok.hu/userfiles/files/44117799328.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/5507e50b04ff3836d293af2104d1d52b/3302993160.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=different+ethnic+groups+in+the+philippines+pdfPDF link annotation
  • 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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