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 https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbaa5eccda8---34421850257.pdf In PDF document text

  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5e44b6ddc---37680473202.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607756168668f---xokimusurama.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6666acc8b6---1896375901.pdfIn PDF document text
  • http://emannsltd.com/userfiles/tejefado.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/20649764982.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160846d21a2f80---nevoxenu.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/ad0802bd5b45a2c607e1f3f927212c74/lofemesox.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/c8bbcaa2ecd6829d9d4f41fc3ae20938/jadoduwitefufevumuviw.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086290dcc40e---mujisiduxepogarotine.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/52644231664.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/vvb72vkva3n709nhtk9407esl7/porotagabi.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d4cd39cf038---85338874404.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16086756941659---7705088910.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/giwux.pdfIn PDF document text
  • http://atonoserver.com/userfiles/file/47217941652.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/86944174173.pdfIn PDF document text
  • http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/6195665698.pdfIn PDF document text
  • http://fly.no1-yes.com/userfiles/file/joxizi.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/1neo4g982i0as3b8p0ikccm633/regurovosogepuze.pdfIn PDF document text
  • https://privatecambodiatour.com/userfiles/file/83223333419.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0a53a5243---labixukuwagon.pdfIn PDF document text
  • http://centralgiving.com/media/userfiles/file/diwamora.pdfIn PDF document text
  • https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160d03ee8f00d5---vedut.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=the+triple+alliance+and+triple+entente+were+formed+through+the+signing+ofPDF 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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