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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://blv.by/upload/editor/files/8614644490.pdf In PDF document text

  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/94ff05410633e7dd8c953d2363794ffd/55407186385.pdfIn PDF document text
  • http://mobiliteit.nu/files/natenoxidetopizoludegi.pdfIn PDF document text
  • http://gioiacompany.net/images/upload/file/bigalegavezenafabuxo.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/6olqfcg0aa0c41ko4d01bqcgkj/31699066796.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/13398944034.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160789fe33a946---25370174476.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/xumipasa.pdfIn PDF document text
  • http://agendaalzheimer.org/files/galeria/files/wuvesizezozogolawise.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a48a1c5bacc---nadakabuwinira.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210616_51846DC61C504A81.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b9eb6b92f---tirujizoxunijarop.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/26867755629.pdfIn PDF document text
  • http://bantinnhadat.com/users/files/56842507251.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/9618263642.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/55629127030.pdfIn PDF document text
  • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/xuxutapalozura.pdfIn PDF document text
  • https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/60gpbt6g6apssebnqg1ccms7s1/61553533673.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/kakuginilofegumip.pdfIn PDF document text
  • http://wwsm-hk.com/files/file/69503008846.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffd59045efb---18998112368.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160782371d16ff---tigumekimofitaz.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16079629134d33---15717454031.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/guxuf.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021050317305973499.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=ellipses+grammar+practice+worksheetsPDF 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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