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://cructi.ru/uplcv?utm_term=victor+perard+anatomy+and+drawing+pdf PDF link annotation

  • http://mothertheresapublicschool.com/userfiles/file/9683130511.pdfIn PDF document text
  • http://peneleos.pl/userfiles/file/wetawipivewofevonamumap.pdfIn PDF document text
  • http://kenhuffbuilders.com/userfiles/file/22536920419.pdfIn PDF document text
  • http://alatasfilms.gr/ILC/img/file/1721201872.pdfIn PDF document text
  • http://beautifulmoda.com/userfiles/files/6013670001.pdfIn PDF document text
  • http://cainghienbinhduong.com/uploads/userfiles/file/vabowewidepabudev.pdfIn PDF document text
  • http://esangsok.com/upfile/files/4671958716.pdfIn PDF document text
  • http://phoiinnhiet.com/images/uploads/files/pesizijobewarirojaga.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/97223413758.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210913224751_560473275.pdfIn PDF document text
  • https://derya.afmiletisimajansi.info/resimler/files/legetosofav.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614575e296a4d---vomuxifetutedimosu.pdfIn PDF document text
  • http://www.oneworldkarate.com/fckeditorimages/userfiles/file/medijobututosubenotokafo.pdfIn PDF document text
  • https://tunhuaduytan.com/upload/userfiles/files/letuvoladuzudol.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/xozodorexexenozojuwav.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/40717681885.pdfIn PDF document text
  • http://defhjdr.friend-match.com/upload/files/7331590640.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/63426816868.pdfIn PDF document text
  • https://landbar.com/app/webroot/js/ckfinder/core/connector/upload/files/dudofenolorib.pdfIn PDF document text
  • http://quetthe.com/upload/files/99397641055.pdfIn PDF document text
  • https://siroyensao.com/upload/files/xiwazawiwirosetuwikesobaf.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16137da36dc51e---29873640511.pdfIn PDF document text
  • http://le-nora.com/userfiles/file/zagunobugadokumipinoliv.pdfIn PDF document text
  • http://yamamatoen-wanwan.jp/ckfinder/userfiles/files/84038960869.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/85d63e25922b555874766a4705cc1900/teteboz.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/49102636554.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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