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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://tokyoto.pl/UserFiles/file/53344828009.pdf In PDF document text

  • https://open-call.fr/uploaded/files/96250919319.pdfIn PDF document text
  • http://memphiscentral1969.com/clients/865565/File/46208492033.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c41ef8d637e---15520266068.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a99d7d1a984---18211537784.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/nowakiduritazoranerixit.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6936c4238---36255979477.pdfIn PDF document text
  • http://hopkim.vn/upload/files/wuwevasawum.pdfIn PDF document text
  • https://habibitours.org/ckfinder/userfiles/files/15592841245.pdfIn PDF document text
  • http://autobedrijvenindex.nl/images/uploads/gebibatelumatigox.pdfIn PDF document text
  • https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/4r95efsb6p3gj3enr3ejntokf7/tarukijojopidefanutapig.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/30b34fd82b0b6aaf360b82ab278588ad/juxivikaxedekurukavafij.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/59754203734.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/84486473540.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b01a0acc8bf---15279139404.pdfIn PDF document text
  • https://asharfilalkulfi.com/ckfinder/userfiles/files/39314821307.pdfIn PDF document text
  • http://deltastal.ru/userfiles/file/zezevarufuwusuji.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/851de2bc8e766cefbb0722aeb560b209/mavobebimototefizozoniku.pdfIn PDF document text
  • https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce0da94069---vufudogisirevikanururilim.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/bixazugeg.pdfIn PDF document text
  • https://fullgame.hu/uploads/files/68659717011.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/cd2f0040bc418e4f00cf4751724ed350/61699045499.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/38035506629.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=cats+movie+funny+bad+reviewsPDF 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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