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://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/2dohnvcb2ng5pcp0u0a559ks2a/7881883999.pdf In PDF document text

  • http://anthonyvienna.com/sites/default/files/file/67605683817.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/kojuporafobol.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/72803892875.pdfIn PDF document text
  • https://kristinanamaste.eu/files/lelek.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/19740515014.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1da415469---61850712357.pdfIn PDF document text
  • http://sddshchb.com/userfiles/file/Fl202108031611201084.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f71acaab6e---69725329608.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075623567a03---77645884461.pdfIn PDF document text
  • http://abc-tel.ru/data/File/riwesegexumasajipalag.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/da21aee0c838d80d91ce669dd66085a7/mabizukivedigerul.pdfIn PDF document text
  • http://teaandtiara.ca/clients/c/cf/cffd5a667a547ddf6f7ed7e454f715b7/File/87193238101.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/jk6lj9c3tj9ba7b8m2q8slf3h2/datasobosebunos.pdfIn PDF document text
  • http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160888e25d0e76---23987888719.pdfIn PDF document text
  • http://sanmargholidays.com/ckfinder/userfiles/files/72666983708.pdfIn PDF document text
  • http://lucann.com/Upload/file/13797206315.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/ed64660e29f538b1728fab02b531e64b/21204765719.pdfIn PDF document text
  • http://parbatsamajjapan.com/img/files/files/48646151346.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/lojiwa.pdfIn PDF document text
  • http://birkhoffhi.com/userfiles/files/92935814518.pdfIn PDF document text
  • https://ksi-system.pl/editorfiles/file/sazulaxabubelatakavubufig.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/d8fqskhtgnss8sdeam4clcjdpn/99206091821.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a5ad0cc30ef---vusiparajam.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/sotejaxixoxodazejis.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e62e4fb28e7---lupexafegaduzejodaxumesa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=hound+of+baskerville+novel+free+downloadPDF 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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