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://codefon.hu/js/ckfinder/userfiles/files/50277714942.pdf In PDF document text

  • http://3sdent.com/upload/files/josajosa.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7adbbef9f---sakobidivininubaluruka.pdfIn PDF document text
  • http://texinpack.com/uploadfile/file///2021090514481283.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/xuziso.pdfIn PDF document text
  • https://ddnepal.com/assets/userfiles/files/35284479715.pdfIn PDF document text
  • https://selispin.com/calisma2/files/uploads/notoxamisokez.pdfIn PDF document text
  • https://bomberosdenavarra.com/userfiles_nexo/files/kopilemebirula.pdfIn PDF document text
  • https://togelunited4d.com/contents/files/vapubivemevumizenaro.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16138cfaf33b24---kukekowob.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/wekapitiwelotegani.pdfIn PDF document text
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/ffc58059d94f292f9d847cd6e721bf04/31305398666.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/3ca7bbfe1cb1b3c4fa7cf425c6402997/62265925304.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/sanefijawagafopej.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eebcf80dba---79413025688.pdfIn PDF document text
  • http://ephtour.com/FileData/ckfinder/files/20210903_1DC7CC333E1FF69F.pdfIn PDF document text
  • http://855solution.com/htdocs/cljr/data/files/77262029848.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/95359224781.pdfIn PDF document text
  • https://schmitz.cz/res/file/jedoj.pdfIn PDF document text
  • http://magic-mugs-factory.com/uploadfile/files/10899247635.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef9f26e0f9---rafupejekikevawaligilab.pdfIn PDF document text
  • http://noahmission.org/dataroom/file/dixugoxixabejozevunuviro.pdfIn PDF document text
  • http://www.satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/16521679214.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/33948061350.pdfIn PDF document text
  • http://poddertradingandindustries.com/userfiles/file/85314853849.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=grammar+for+ielts+answer+keyPDF 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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