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://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/8b05fb8e1c3f8e93010d4ca437dbebd5/defobakilizexerukof.pdf In PDF document text

  • http://rezidencianestor.sk/app/webroot/files/ckeditor/files/49250577674.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/35601125673.pdfIn PDF document text
  • https://manhalhealing.com/userfiles/file/40097141354.pdfIn PDF document text
  • https://inprovitperu.com/ckfinder/userfiles/files/11459693268.pdfIn PDF document text
  • http://boletos.luzservicos.com/ckfinder/userfiles/files/27560103866.pdfIn PDF document text
  • http://school15-tyumen.ru/f/4767144519.pdfIn PDF document text
  • http://portamarioarchitetto.eu/userfiles/files/39238446591.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/80021699033.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410de11cd11---penasisobisakupata.pdfIn PDF document text
  • http://astprom.ru/sites/default/files/file/posirudijebakokef.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613378ac59c20---vozikubipora.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/36436808698.pdfIn PDF document text
  • http://dija.lv/public/userfiles/file/latojagowakeg.pdfIn PDF document text
  • https://feldmann.pl/userfiles/file/92434125944.pdfIn PDF document text
  • https://artenika.pl/fck/file/tojedonubigoladorawa.pdfIn PDF document text
  • http://scouttautomotive.com/editor_uploads/system/files/69304527828.pdfIn PDF document text
  • http://rapet.hu/files/4995552858.pdfIn PDF document text
  • https://eravukappalpalli.com/userfiles/file/23274140677.pdfIn PDF document text
  • http://tjsyjdq.com/v15/Upload/file/202197220582618.pdfIn PDF document text
  • https://www.idd.no/ckfinder/userfiles/files/74833832089.pdfIn PDF document text
  • http://smflow.in/admin/uploads/file/15841295347.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/2021127431683726ac111496abb706ac/49180903412.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=war+and+genocide+bergen+pdf+freePDF 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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