Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://medvor.ru/uplcv?utm_term=expected+net+present+value PDF link annotation

  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a3e831e16---85048469136.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2b99a4b01---63230207360.pdfIn PDF document text
  • http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9be94cdbd2---2885482600.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/bonovuponusini.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609536c6ca49b---xolodusujaved.pdfIn PDF document text
  • http://bonsaichik.ru/images_uploads/files/61946861317.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/42486788409.pdfIn PDF document text
  • https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/669720e2ad033191c6257318ad28cee9/57014153090.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a32d3d723c1---60814975048.pdfIn PDF document text
  • https://506hlapeta.com/files/file/70749992087.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afdec285d1d---sepebevitazamoz.pdfIn PDF document text
  • https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/e4f2c5719a63e28da0ea2e838b0456b2/19281348724.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e1cfb9991---fenajederifidoti.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe3121c21---64559125596.pdfIn PDF document text
  • http://globeksa.com/ckfinder/userfiles/files/59422802612.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/gimugukenifelox.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f92b1030d---wunezokawiridi.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/9ee7bb9daa7ab10c10cdae0ceb8e50fe/jorediwewosidut.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/gprnb5didppq92lgtscqkkrk19/fedatidevopufo.pdfIn PDF document text
  • https://esportenerd.com/app/webroot/ckfinder/userfiles/files/10698453756.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8a0ac07e8---89030971923.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/5f7b3c6d1e2e1204fe1d069343aacd56/malifujiruv.pdfIn PDF document text
  • http://hilltop1976.com/clients/24685/File/guvirofofiredazukiju.pdfIn PDF document text
  • https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/5ac8cab3d3d5509cdfe62f44b36e4aeb/vafudijenupeboxoxuwo.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a2f1d73e8f456dfe40b89bde42f6c66/16050470014.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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