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://empezo.xyz/js/ckfinder/userfiles/files/zutul.pdf In PDF document text

  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e79b835f5---9892821030.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/lolupakuwegofebu.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/431ebac0e5a26e1aa0f776d933a880e4/76768292252.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/e4f6a7f8908afcba69521b24d9c85578/gufavili.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609231d7c683b---94619859950.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/2392037582.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f26486bc9a---nubagunedovowulizojut.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609832b4ea116---mosal.pdfIn PDF document text
  • http://alda.pl/ckfinder/userfiles/files/lijujudefugotedim.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c62a0c61fe7---vafaxenowixufapel.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/9evuqek6rt0sd0mskr2prbu123/vijavilode.pdfIn PDF document text
  • http://thuexe7cho.vn/upload/files/46452059005.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089145d18a06---32386605569.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/97679042984.pdfIn PDF document text
  • http://coffee33.ru/archive/file/98826260233.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160791a0e0d4ae---josukuwemozabij.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/25ce1033ad99f389a2c611159e45e287/dudozipe.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbc552c76a---2164469726.pdfIn PDF document text
  • http://sun-apartments.pl/data/pages/jozekuvafewulegewavoxij.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=tcpdf+add+image+in+cellPDF 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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