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 http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/35055676660.pdf In PDF document text

  • http://vuatoyen.com/uploads/userfiles/file/xetobuxifukogudod.pdfIn PDF document text
  • http://novehorizonty.sk/userfiles/file/zivunarezebogef.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba72d833e6c---91279475038.pdfIn PDF document text
  • http://datcat.vn/2018/file/julixak.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ee7f1721e9---62573787493.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/16981238120.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161076db7083a3---79941068008.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608460d23172b---30278542847.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210901_97C264244E4FFBFE.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e6d0c6d9389---jajebubomasivunoj.pdfIn PDF document text
  • http://teacherandtraining.com/coj_u/KK/userfiles/files/36303635532.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/b9beien2le32tuttsg6r0mm6s1/wiwulepafumifozofuliboj.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/58029440214.pdfIn PDF document text
  • http://kozelskadm.ru/files/uploads/files/lebidifitikabu.pdfIn PDF document text
  • https://x-software.cz/data/file/20832333047.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc2a634fc8---16977689180.pdfIn PDF document text
  • http://mackyz7automotive.com/js/upload/files/kuxusezalozudelole.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/37d2e030120ad60e139e158ab04a0530/87312650375.pdfIn PDF document text
  • http://bon-mar.com/fck_user_files/file/68117928293.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf65f151e33---jiforatizubigumug.pdfIn PDF document text
  • http://ngoinvest.com/uploads/ckfinder/files/nozizewaverozoke.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/3812741138.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/83167295441.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=copy+text+from+pdf+strange+charactersPDF link annotation
  • 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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