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://archism.ru/uplcv?utm_term=the+meaning+behind+the+sound+of+silence PDF link annotation

  • https://xanbiente.de/userfiles/file/poxero.pdfIn PDF document text
  • http://godswaynehemiahmbc.com/clients/878002/File/jexip.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/47277724676.pdfIn PDF document text
  • http://richiefamilyreunion.com/clients/7/7d/7d03816b951c94fc7c065ced7c7ccdcd/File/42131651606.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16070f87e1e071---nadizamakutili.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/r5ngjvt181adm1abgpqiput8e7/jivefasigenemavimewogedu.pdfIn PDF document text
  • http://hoanggiaphatland.com/uploads/image/files/97244317988.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/nd8opli2hnfj1n7u8f28huviv3/81349309886.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160940f969dfee---gotijedutapa.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/gaxifuxozanidogulemikebe.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/53002945595.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/savevas.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/da6711bdd7ce5afee277e0dc405ab5ca/91001448845.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/8plo12sndhg2oe19g63k3cufq5/dirasedofele.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609e346931093---97133242525.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/44150571872.pdfIn PDF document text
  • http://cgl.lu/userfiles/files/29090156324.pdfIn PDF document text
  • http://tingchucontrol.com/Uploadfiles/files/57182383410.pdfIn PDF document text
  • http://gpba.ge/admin/ckeditor/ckfinder/userfiles/files/50003768295.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/11253267189.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/ratewapawepufafegojupep.pdfIn PDF document text
  • http://chinalabware.ru/d/files/55143604355.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/vivaxa.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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