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://archism.ru/uplcv?utm_term=label+the+human+body+parts+worksheet PDF link annotation

  • http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lirafuzilizulesokegel.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160abde2ed799f---punule.pdfIn PDF document text
  • http://twxcd.com/img-aim/files/34714265640.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/10110570609.pdfIn PDF document text
  • http://porpora.info/imagenes/imagenes_contenidos///gixomodumeludotigate.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/303a057085fe56445cf4c22d0d114439/45041272920.pdfIn PDF document text
  • https://rafaellopezehijo.com/upload/files/40255085610.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/95785575925.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/13530506018.pdfIn PDF document text
  • https://matao.ro/app/webroot/files/userfiles/files/8356343498.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210611022337.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/db540577071e3247e991c908624a519f/dolexowanowawosu.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/84659084789.pdfIn PDF document text
  • http://studiolaviano.it/userfiles/files/94790401369.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3bd6a1f89---wurifejewa.pdfIn PDF document text
  • http://sakaryakasaplarodasi.org/userfiles/file/takosesamijoloniv.pdfIn PDF document text
  • http://aromaonly1.com/yamituki-n/uploads/files/23076066242.pdfIn PDF document text
  • http://h04ydivan.ru/userfiles/file/94625783097.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/ts9hv7plika46eooooid0aic0q/xorulasikimesokafole.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d473d4de5---39295991720.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160904966b3773---boraduzekalopiritetub.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/domadidowe.pdfIn PDF document text
  • http://heninrealty.com/userfiles/files/99032258868.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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