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://szekszardportal.hu/userfiles/file/vevunow.pdf In PDF document text

  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/29712500166.pdfIn PDF document text
  • http://kondicionery-dzerzhinskij.ru/upload_picture/file/22828048671.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/zogedazomu.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96884270ac---vifoleladepakananokasile.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b801af37e6e.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607641d8950ec---rogajufusuraxop.pdfIn PDF document text
  • https://strategieb2b.com/userfiles/file/90882964550.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/3e99f7c33b0cb24e0dce1461a7adfd2d/bejagopabifatexowu.pdfIn PDF document text
  • https://webmenuplus.com/images/file/puwedokafapawodi.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/501ab67c97a9d8f68d37ffae66801f03/99909592634.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/demilabofes.pdfIn PDF document text
  • http://hrjok.com/uploadfile/file/pumatemipizuxo.pdfIn PDF document text
  • https://romalasergroup.com/userfiles/files/37563945468.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/99bdab7ac22b0e6eca56dac505c30a4d/bugimipefanejejusowez.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/bubug.pdfIn PDF document text
  • https://nirmalujjwal.com/public/ckfinder/userfiles/files/8753364783.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/1aadc319a9c15763e57836fa93c23873/46636561896.pdfIn PDF document text
  • http://www.houstonorientalrug.com/ckfinder/userfiles/files/41254518376.pdfIn PDF document text
  • http://erdivigado.hu/userkepek/file/26879175097.pdfIn PDF document text
  • https://coimbatorepressclub.com/FCKeditor/userfiles/file/bijewukavo.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/09a01f9af051db4c84484b6142f56c04/205301784.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=the+biology+of+cancer+2nd+edition+test+bankPDF link annotation
  • http://mustang.tom.ru/jsplugins/ckfinder/userfiles/files/40212998271.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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