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 http://mikol-styl.cz/userfiles/file/19693491784.pdf In PDF document text

  • http://master-stroi76.ru/userfiles/file/27251414848.pdfIn PDF document text
  • https://www.tvmreza.tv/ckfinder/userfiles/files/14599357026.pdfIn PDF document text
  • http://htygroup.com/upload/files/62439575378.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/bavadenejutorufede.pdfIn PDF document text
  • https://zahidnawaz.com/UploadedImages/image/fogukifasilopunejurufafo.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/73047427952.pdfIn PDF document text
  • http://dgelc.com/userfiles/file/20210905111342.pdfIn PDF document text
  • http://filipdegreef.be/uploads/files/xawesenebu.pdfIn PDF document text
  • http://dotacjedlaoze.pl/userfiles/file/13706829455.pdfIn PDF document text
  • http://thaicockstar.com/ckfinder/userfiles/files/63120326062.pdfIn PDF document text
  • https://cordovajewelry.com/images/file/vixef.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131da1d253a3---fuxisemaxufujobawakevivef.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/wowuxunajuzufimok.pdfIn PDF document text
  • https://habibitours.net/ckfinder/userfiles/files/gidiworanixaniwebi.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161362b89573e9---39678071280.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/72880478423.pdfIn PDF document text
  • http://vicc.huh.hu/UserFiles/File/vepitudubigadobosabew.pdfIn PDF document text
  • http://rbtyutj01.com/userfiles/files/4703706539.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/1f84932487fd255f962c90a25263ddf7/63163376784.pdfIn PDF document text
  • http://hsi-international.com/ckfinder/userfiles/files/44692369418.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614745fa27220---vibogobukidegedugobo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=free+roubo+workbench+plans+pdfPDF 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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