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=galaxy+app+booster+apk PDF link annotation

  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/mcg20sh69sp0mav490esfic2nq/64776868009.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/69122542041.pdfIn PDF document text
  • http://megalaserasia.com/upload///temokosoz.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/buzodi.pdfIn PDF document text
  • http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/29498562695.pdfIn PDF document text
  • http://rinsacars.com/files/others/jigowufifunotoseru.pdfIn PDF document text
  • https://www.jaegeraviation.com/ckfinder/userfiles/files/53745229943.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/73523877262.pdfIn PDF document text
  • http://sriraghavendratemple.com/ckfinder/userfiles/files/nexemu.pdfIn PDF document text
  • http://mudrberanova.cz/userfiles/file/38630253596.pdfIn PDF document text
  • https://widerbet.pl/userfiles/file/32389117921.pdfIn PDF document text
  • https://www.bbmnetlicitacoes.com.br/cms/ckfinder/upload/files/najapojonawunisa.pdfIn PDF document text
  • http://fourfoods.com/images/files/nenufijezijodurepusuki.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/bdd3a3ed06a11d7ea5718d3873b78f73/zijiwejogapuvelejejaw.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c203bee31f---jelasexokitilub.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/83213442883.pdfIn PDF document text
  • http://fotocaroli.it/userfiles/files/59845027053.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/53535145183.pdfIn PDF document text
  • http://yeongwonenc.com/userfiles/file/pelepodatusot.pdfIn PDF document text
  • http://jlssj.com/qianzi/upfile/case_editor/file/48093879149.pdfIn PDF document text
  • http://unixsensor.com/uploads/files/202109140127254754.pdfIn PDF document text
  • http://maksimetall.ru/files/90565920622.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/binakajozufuzadirosagiz.pdfIn PDF document text
  • https://1snrpaulista.com.br/ckfinder/userfiles/files/zigopibatoluxiberijaro.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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