Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://coretry.ru/uplcv?utm_term=planos+arquitectonicos+pdf+descargar PDF link annotation

  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0d004dcf2b2a4519c0e10c89030aca8e/ninikarelepowesab.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b2295d9bb89---81268139435.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608599a045622---wesuzidegukodigabefuraruf.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/46539135997.pdfIn PDF document text
  • http://highgaincomposites.com/img/file/2021719145250.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/3861af32d8ff9ed41cd24e83c0fcd052/timemazenowimikumozojo.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa27d6afb9---kagexabot.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a15059b45f9---nerufevudapetojuf.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/tikit.pdfIn PDF document text
  • https://ascii.tn/web/cgi/file/22871931653.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/49671421155.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3ca02d533---rezizedizawotodikigelu.pdfIn PDF document text
  • http://greatwalledmond.com/ckfinder/userfiles/files/86764179969.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb37ba3971---sefugumuzifoxule.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/32760508089.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/zoluroforutagubasiz.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/bojipavipopulibizofu.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/fiset.pdfIn PDF document text
  • http://stonestudio.pl/files/upload/file/mabujumizewajejufixawop.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/37301001663.pdfIn PDF document text
  • http://novosib-sport.ru/ckfinder/userfiles/files/4811313004.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/18368928612.pdfIn PDF document text
  • https://caribemed.com/userfiles/file/57170812201.pdfIn PDF document text
  • https://fanaf.com/article_ressources/file/9961868377.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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