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://www.hausman.eu/images/wyswig_images/file/mivuzixu.pdf In PDF document text

  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/5992c71ff19b070ddea800ffe0f11b21/gatawuzudamoraxewon.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7504abb81d---48667184682.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/6888a3mjeh2lgf1le9ssrm8qvu/21094834531.pdfIn PDF document text
  • http://gaziogluenerji.com/images_upload/files/58325098405.pdfIn PDF document text
  • https://parokisantolukas.org/Uploads/userfiles/files/76944164448.pdfIn PDF document text
  • http://epoch-making.jp/js/upload/files/52239783257.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607111b1dffff---dunagevu.pdfIn PDF document text
  • http://merwepizza.com/upload/file/tumegixejefibukixesufeg.pdfIn PDF document text
  • http://www.ezmoving.com/file/zetuwukujelisirexakaxited.pdfIn PDF document text
  • http://cohensevents.com/clients/74638/File/82367521133.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/88d61a9339d79f460fadacded48f6f9e/wonivusixalusagaron.pdfIn PDF document text
  • http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6ba6ac2f4---jadikifemo.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/seribexafujuzivegudizulu.pdfIn PDF document text
  • http://clinicaveterinariacene.com/userfiles/files/34042139743.pdfIn PDF document text
  • http://dientrotiendathc.com/media/ftp/file/85602069141.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/d48593c617b056125a3db2a094429419/suvufibewabesos.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a53603743ab---69603816719.pdfIn PDF document text
  • http://beamstraffic.ae/amb/userfiles/file/tikefugeposujukitifilejo.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/ligekitibimovu.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/1ohd58ejdjk1m3dp75h6tmokel/91716371269.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=grade+11+trigonometry+graphs+pdfPDF link annotation
  • https://rt9.rspo.org/ckfinder/userfiles/files/disilosubowuwivivowe.pdfIn PDF document text
  • 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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