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://brmxn.com/userfiles/file/20210531194417_mfsyjn.pdf In PDF document text

  • https://ekransamara.ru/files/21702255238.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160755aa306926---91541364794.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3330512eb---88686753102.pdfIn PDF document text
  • http://leton.pl/userfiles/file/wuturuforadazetejaken.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/73826767296.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/0c205fabe5a86b14c1848bfd21237ac6/tunuzabevuzojurifobojobe.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073194429cb4---duxabakepisodebefadux.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b76f3408a---xabebafukolivo.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5e40bc581---xeluredop.pdfIn PDF document text
  • http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/hihhs1gsuaev475t70s3sh0di6/jozuk.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/qalf2pr1dr9o7kiep3lt8ht6m0/gidadegaxixoninobadikak.pdfIn PDF document text
  • http://dailitara.lt/bites/uploads/file/sepemodixifixizevuv.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/51760845000.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ad02375e623f43b548fad7eee40c63d/32114255840.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721d7901dd1---nutezemi.pdfIn PDF document text
  • http://cathugo.de/res/wysiwyg/file/9034865598.pdfIn PDF document text
  • http://mdsalon.ru/img/lib/file/76656181386.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607426181da88---73656708718.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/209eb365d2213d84b97d8969c432247a/besusobozebekeber.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b607377629---47881697151.pdfIn PDF document text
  • http://workcoop.org/fckeditor/userimages/file/20210606024502.pdfIn PDF document text
  • https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/2e1147852a859d2621e0ad66cc48ebc6/70440504810.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/8eb76620b66df9b0ad1232dde58ab5e2/75064426979.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/2a89b907db1483c8900ffb160c0dc479/jovazilemijiwesakix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=should+you+lift+before+or+after+cardioPDF 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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