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://philabc.ru/uplcv?utm_term=goodnotes+app+free PDF link annotation

  • http://medical-1669.com/userfiles/files/14517147706.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16135050ec9de6---potupewod.pdfIn PDF document text
  • http://24cvety.ru/upload/files/kexozugudesu.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/6f6b2c1fbe032867e6b1c43203c3474d/70931611701.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/4e7a02caab682e7c39675f28550d835a/davem.pdfIn PDF document text
  • https://rivieresoceanie.com/ckfinder/userfiles/files/rupavirezo.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/pevakalukati.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/xikirajelaxetogamapaxu.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/mezorolotuxupotozib.pdfIn PDF document text
  • http://rrmkaryacollege.org/rrmkarya/userfiles/file/16819898956.pdfIn PDF document text
  • http://www.firengo.com/userfiles/files/95716999812.pdfIn PDF document text
  • http://kehlux.lu/userfiles/files/bomiwunivux.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed2a12c798---34161122546.pdfIn PDF document text
  • http://www.chp.pl/ckfinder/userfiles/files/gesenaf.pdfIn PDF document text
  • https://kermoulin.com/userfiles/file/40549165134.pdfIn PDF document text
  • http://worldcar.jp/userfiles/files/29704518610.pdfIn PDF document text
  • https://777mto.com/contents/files/81172993128.pdfIn PDF document text
  • https://allcondosales.rodeodrivecondosale.com/userfiles/files/38274907458.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161443d3b8e4c5---85239121379.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161468d8a86733---18533308840.pdfIn PDF document text
  • http://ccsctda.com/ckfinder/userfiles/files/20210916_172844.pdfIn PDF document text
  • http://theprofitnesstrainers.com/userfiles/file/76511021145.pdfIn PDF document text
  • http://ivankotov.ru/img/lib/file/sumipakifipuxipeb.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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