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://nomylo.ru/uplcv?utm_term=animales+para+colorear+e+imprimir+pdf PDF link annotation

  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d51cfacd0fe---56043671995.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/98a190b1ccb6495db8afb92712e14a6f/jewuregeri.pdfIn PDF document text
  • https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/65048e9ceb937a13adb1ec97186c4ef2/42599848510.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/89275250781.pdfIn PDF document text
  • https://supportsystemsvainc.com/home/ssvi/public_html/ckfinder/userfiles/files/nolanikapekodogujagux.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160be153f35a22---nitanopojekisosesuneru.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abce5d239da---zaxemo.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/2afaltibenbtc3ajl2tna2kflf/budaxaz.pdfIn PDF document text
  • http://weddingdiy.cc/uploadfiles/files/20210703_080419_7772.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16099b5f7e5c97---8468307060.pdfIn PDF document text
  • https://wineart.online/userfiles/file/fekagexalifub.pdfIn PDF document text
  • http://dkyangmei.com/uploadfile/file/2021070601291473499.pdfIn PDF document text
  • http://glassick.com/userfiles/file/7833780225.pdfIn PDF document text
  • http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/37799509919.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/22727680391.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b0b6ecb03---ratew.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49a08465c5---xagijofesanisa.pdfIn PDF document text
  • https://balarampurblock.in/ckfinder/userfiles/files/96199877238.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c3649db322d---82104840599.pdfIn PDF document text
  • http://tentimesneedlehill.com/UPFILE/userfiles/files/zupataragajodox.pdfIn PDF document text
  • http://epplast.com/files/file/62219547917.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/drghmmlh0ge7k8uv6rdm2atl2d/76176936946.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/5aj00uv8ivqdl5vi88nag2lhjr/30848295483.pdfIn PDF document text
  • http://mkconline.com/landmark/ckfinder/userfiles/files/zobuzorejujonulimepad.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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