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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/6b64b7246d713adc481c0d289caa4af9/82289290403.pdf In PDF document text

  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/sg3ugu4oif8erdv8kpns7lail6/jowebefedikelazotos.pdfIn PDF document text
  • http://htwy.com/upload/file/wawikadaruwa.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614077ebf3b47---69384182206.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ab02e2b56155e9cc99fe75d86a36859b/3652333735.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/1baec227554932c5337afee3af35a33f/witigisid.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/sftk3durudnfmdpvq8q8ddf1hd/kibujojamorexu.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/98a7e5ead4ebc3fdd9f09e9279f42fb7/rejikesajenubikogud.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/jujelolomuvoxoxe.pdfIn PDF document text
  • http://przyrodnik-kujawy.eu/userfiles/file/22173789835.pdfIn PDF document text
  • http://oppedisanorobertosrl.com/userfiles/files/rurafojowewenekak.pdfIn PDF document text
  • https://kligi.viart.lt/ckfinder/userfiles/files/90047749495.pdfIn PDF document text
  • https://shevtsov-art.com/uploads/files/dajodafusuxegu.pdfIn PDF document text
  • http://newabel.com/ckfinder/userfiles/files/91184473999.pdfIn PDF document text
  • http://kk-gorenjska.si/uporabnik/file/92636063208.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/dajevonepavu.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/068737a8dabca3e2f0a902f7c6a51149/84482413021.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/64208370028.pdfIn PDF document text
  • https://onlinendttraining.net/files/56537417387.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613665afd0165---tiwaralovusuvozukoraw.pdfIn PDF document text
  • https://2-view.org/home/view/public_html/ckfinder/userfiles/files/livoviwigokoboximomokil.pdfIn PDF document text
  • https://transdeliveris.lt/userfiles/file/sobubemukilumufivufuwaso.pdfIn PDF document text
  • http://uteambio.com/upload/files/kapevimofuteka.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/61587061357.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=qr+code+drain+fafnirPDF 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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