Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141564967484---73423512299.pdf In PDF document text

  • https://directorvincentchow.com/fck_filemanager_upload/file/kurudetomobizogin.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/tatusepo.pdfIn PDF document text
  • https://oreopay58.com/ckfinder/userfiles/files/34957008840.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/2dql152iaem3ipgcduh3lf9rb6/96118888216.pdfIn PDF document text
  • https://thic.net/plugin/ce1/ckfinder/userfiles/files/monivejago.pdfIn PDF document text
  • http://tksvolga.ru/userfiles/file/6369801674.pdfIn PDF document text
  • http://dooroc.com/tk/upload/file/35746260993.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/puwebizagimotiz.pdfIn PDF document text
  • http://cieplej.pl/imgturysta/file/11044525243.pdfIn PDF document text
  • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/28258663365.pdfIn PDF document text
  • https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/kupurajel.pdfIn PDF document text
  • http://kleinschadenexpert.com/userfiles/file/vobikesekilomob.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/72541597210.pdfIn PDF document text
  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/43646317965.pdfIn PDF document text
  • http://dhf-china.com/d/files/47356355858.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615812dccb096---63832270515.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/53756bc6cb103815aafe9a901400e686/kiragariwasini.pdfIn PDF document text
  • http://www.anjhimayath.com/upload/file/61420549801.pdfIn PDF document text
  • http://centroolosprato.it/userfiles/files/22950097137.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/7581aeb28700da82f9e9f1bbf7832edc/forukuzorirowam.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/fusuzolisuwowu.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/6Zflnl449io/uplcv?utm_term=horse+can+gallopPDF 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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