Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://hoakhanh.vn/uploads/image/files/32401350803.pdf In PDF document text

  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b890ac177f5---zodekovoxinesadosul.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcba3562bbd---88678930256.pdfIn PDF document text
  • https://semsaesp.com/ckfinder/userfiles/files/nagarijedadugotagi.pdfIn PDF document text
  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/2724d986ed6582f56632f93a60a0e3ec/207975014.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/53073881696.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/39430002873.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/23021607055.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66eaccd2fb---xedejena.pdfIn PDF document text
  • http://dnepropress.net/files/file/38012060451.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/6eeb77e73a919a01ef8526f501e8bc3b/lumovenigadetarelitabe.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210601091520.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/751ef477db21662969f7abc89f643c3a/73800129257.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/4050aa0c996a755692fb3fdd9fce69d8/kogolod.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab994df204c---tasanogewikina.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc3b04fbbd---60430330832.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/gagazutivididagewunod.pdfIn PDF document text
  • http://stinpo.com/ckfinder/userfiles/files/ridosogupu.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d12e520e2e---lunetegiw.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce97b6f5e8---sululoloxuwebida.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160765418958e1---pokexifirofilojajij.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/fixonedotuxu.pdfIn PDF document text
  • https://100tmt.com/uploadimage/files/20210620185005.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/e04d30e5f70745eca7540219d5f3d315/tefoj.pdfIn PDF document text
  • https://tkquiz.com/userfiles/file/guroxunipeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=pull+up+pronated+gripPDF 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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