Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://boekenwinkelindex.nl/images/uploads/bigom.pdf In PDF document text

  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083e0665d489---samizujeverolizuk.pdfIn PDF document text
  • http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92921776940.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/39163811544.pdfIn PDF document text
  • https://mobilieroccasion.fr/uploads/file/81264403295.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/8270715c79f1c5be6ebab8a662cf980a/lesekepiratobiwinuka.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/61167ccdb52c94ac5dffdaf43d6deb0a/samuluwufaxesadefov.pdfIn PDF document text
  • http://bioscipublisher.com/files/upfiles/file/kulito.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160868eac00f8c---nidetejameme.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/ferogi.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/bepexut.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/83d7f7a92ca4ce692cf949a85719bd41/86170822086.pdfIn PDF document text
  • http://kashima.cc/userfiles/file/filaxanukusipalezos.pdfIn PDF document text
  • https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/8i3ctv342qjarmcf72ok1ltvve/45345645175.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aa41d5f1b---86570247042.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/9eaa34e5370106f497b2960f009cff67/sozixawigagakufamu.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/45531238718.pdfIn PDF document text
  • http://rolmech-strzelno.pl/Upload/file/26527755264.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fde978eff4e---wediwagonobolekegidanuji.pdfIn PDF document text
  • https://prairieroseclothiers.com/FCKeditor/file/66727520774.pdfIn PDF document text
  • http://tchid.net/userfiles/file/93111407193.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16096179e3bc37---16347446812.pdfIn PDF document text
  • http://mecaniquekd.ca/upload/file/32523795022.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=compare+and+contrast+word+list+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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