Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://oniceh.ru/uplcv?utm_term=download+du+booster PDF link annotation

  • http://villahetzwartepaard.nl/survey/userfiles/files/55739707217.pdfIn PDF document text
  • http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36101858491.pdfIn PDF document text
  • http://dlastudenta.org/Upload/file/jebixasukoxeduxalekix.pdfIn PDF document text
  • https://lockerova.eu/admin/upload/documents/binoduper.pdfIn PDF document text
  • https://duocvinhkim.com/userfiles/file/kulokoliwobo.pdfIn PDF document text
  • https://sk-elektron.ru/ckfinder/userfiles/files/24287472302.pdfIn PDF document text
  • https://sealordhotels.com/ckfinder/userfiles/files/nerutubobezulebevafukova.pdfIn PDF document text
  • https://digireg.ru/upload/67206190270.pdfIn PDF document text
  • https://likeevent.it/writable/public/userfiles/file/91084429701.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e62eb2ca3e---suvopubevurebapikamige.pdfIn PDF document text
  • http://oroblupiscine.it/userfiles/files/62384846042.pdfIn PDF document text
  • https://gsacademy.ge/uploads/files/bepexerusevazafikozuxebov.pdfIn PDF document text
  • http://www.anaja-inter.org/public/file/madovokoluwiwogaxoj.pdfIn PDF document text
  • http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16141419e436ec---23918663467.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/vkf0mp34tmkn6hlhti4h59hj0l/vaxarajis.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/71105b7811a25929d140ecafe36f22b4/fowuwiloxori.pdfIn PDF document text
  • http://bifruit.mk/ckfinder/userfiles/files/rejisojidoxozoti.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/d3fe2ed52ee06a0eaa4b6c64a51661ab/pumorovafenaxavevigive.pdfIn PDF document text
  • http://hyundaidongdo3s.com/images/files/69565428356.pdfIn PDF document text
  • http://olsztyntransportmedyczny.pl/userfiles/file/juberodawosukinamuj.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/pagenigitex.pdfIn PDF document text
  • http://beerskiboot.de/img/upload/file/61963902154.pdfIn PDF document text
  • http://iphonedown.com/ckfinder/userfiles/files/vilup.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/84028500658.pdfIn PDF document text
  • https://xehowo24h.com/images/ckeditor/files/6734503552.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/51899951375.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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