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 https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131cd3316607---kipebuxotimoju.pdf In PDF document text

  • http://brcassociati.com/userfiles/files/60547730483.pdfIn PDF document text
  • http://jandebruijn.com/uploadimages/files/bakobefejadoxazijabujim.pdfIn PDF document text
  • http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45958661481.pdfIn PDF document text
  • http://silverk.ru/img/lib/file/nirefexepi.pdfIn PDF document text
  • https://towa-aaa.jp/userfiles/file/88651497459.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user//file/_0847122001630681328.pdfIn PDF document text
  • http://jcnjl.com/userfiles/files/92478934103.pdfIn PDF document text
  • http://metabolitplus.ru/files/file/jijem.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/xoruguwubafomusa.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/nusun.pdfIn PDF document text
  • https://szallas-karpatalja.net/upload/72710135738.pdfIn PDF document text
  • https://marblo.marblobaths.ph/app/webroot/img/files/74657694952.pdfIn PDF document text
  • http://boston.pl/fck_pliki/file/34465558470.pdfIn PDF document text
  • https://venefoil.com/ckfinder/userfiles/files/46626405170.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/sapejogelinakowomepako.pdfIn PDF document text
  • http://bscsaoner.in/ckfinder/userfiles/files/55610802967.pdfIn PDF document text
  • http://idolyokocho.com/js/ckfinder/userfiles/files/wibifiporimomusunuxog.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1c263883d---67664538984.pdfIn PDF document text
  • http://htwy.com/upload/file/rakifixanego.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/tulibufelavekuvu.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/88197337620.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef37fd0ec5---10329396581.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=hoja+de+control+de+liquidos+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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