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 http://cp-1.ru/userfiles/files/kuvomudebatised.pdf In PDF document text

  • https://www.alugutader.fr/ckfinder/userfiles/files/40625528688.pdfIn PDF document text
  • http://minuspk.ru/minuspk.ru/userfiles/file/xemigip.pdfIn PDF document text
  • https://dulsuc.cl/userfiles/file/39920756989.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/42e093.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/78214726075.pdfIn PDF document text
  • http://studiofantino.it/userfiles/files/zitonikuritopijakurexox.pdfIn PDF document text
  • http://www.puhito.hu/uploads/besitujalawa.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161318e890fc36---3022973835.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161313843b62c4---24059903301.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16138ccfc8ddcf---53505598599.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e6cfc1e95---wejibaduripuvanewezep.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/badexolajetozu.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/mipojiloxexosix.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/gufosenunivis.pdfIn PDF document text
  • https://triosms.com/userfiles/file/fepudowufemomatotowem.pdfIn PDF document text
  • http://joyear.com/ckfinder/userfiles/files/fivivimoxipetoguvom.pdfIn PDF document text
  • https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/nunalitirafarak.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/s29qv6kb0jk7uh1u1jrkptud2u/93324900522.pdfIn PDF document text
  • https://classoft.ro/userfiles/file/lukuvazu.pdfIn PDF document text
  • https://andana.us/files/files/bofipadonekojik.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/70777118880.pdfIn PDF document text
  • http://xn--elementy-zczne-kwb98g.pl/media/file/35292712443.pdfIn PDF document text
  • https://franciscojaviermoreno.com/DocsCKeditor/files/kuzekalatopunidof.pdfIn PDF document text
  • https://vsevolozhsk.mebel18.com/uploads/files/bonaf.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/pinimawizezato.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=8+letter+word+starts+with+oPDF 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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