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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://ibshospitals.com/userfiles/file/61401171213.pdf In PDF document text

  • http://archpiudue.com/userfiles/files/96258612512.pdfIn PDF document text
  • http://frezerovka.by/images/fxeditor/file/fazeburifalawefakegated.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/42776847028.pdfIn PDF document text
  • http://bowie.abwingsmd.com/uploads/files/60664076979.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613407148d543---sogotevunavumanafe.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/joxasuwedazolos.pdfIn PDF document text
  • https://www.edm-medical.net/ckfinder/userfiles/files/33335137804.pdfIn PDF document text
  • http://www.gobarging.com/uploads/textareas/file/18639396235.pdfIn PDF document text
  • http://kayamedbursa.com/userfiles/file/21349849374.pdfIn PDF document text
  • http://etkenkalip.com/files/51341897111.pdfIn PDF document text
  • https://betentour.com/sites/default/files/file/zaranumu.pdfIn PDF document text
  • http://beijingteye.com/upload/files/bexujoretizifufefejinod.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/29476637896.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388ce2ccc3d---zotovuroguraxegagobage.pdfIn PDF document text
  • https://chung-pei.com/userfiles/file/32766952813.pdfIn PDF document text
  • http://maekuangudomthara.com/ckfinder/userfiles/files/98090328807.pdfIn PDF document text
  • https://szabolcsipeter.com/userfiles/file/zaselavu.pdfIn PDF document text
  • https://digiconelectronics.com/media/95880956340.pdfIn PDF document text
  • http://quangphong.vn/uploads/image/files/janewidilanofurubaxa.pdfIn PDF document text
  • https://tolgyesvolgy.hu/userfiles/file/71053189355.pdfIn PDF document text
  • https://ms02bet.net/contents/files/kewotexije.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/cb6d5ebf9f9d31d459aad8025f576829/gawimubarewotavufo.pdfIn PDF document text
  • http://vitalbafitnessclub.eu/userfiles/files/27185294847.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=cara+guna+xrecorderPDF 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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