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://cructi.ru/uplcv?utm_term=hatsune+miku+rhythm+game+android PDF link annotation

  • http://hightopeducation.com/cms_uploaded/file/fobotejevawagofasu.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133539944f17---91532017372.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/50154428291.pdfIn PDF document text
  • https://valeaflorilor.ro/img/uploads/file/kadoza.pdfIn PDF document text
  • http://hk-keber.de/images/file/gonitajelegesu.pdfIn PDF document text
  • http://www.chatanakonci.cz/userfiles/file/makamedar.pdfIn PDF document text
  • http://veszpremlizards.hu/_user/file/29608913163.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/50388704076.pdfIn PDF document text
  • http://garderoba.sk/images/_file/vititenerupozimasakep.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161319a0f71874---depazizo.pdfIn PDF document text
  • http://ohappy.org/userData/board/file/13348375071.pdfIn PDF document text
  • http://kantoromega.pl/userfiles/file/tifumim.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/3f5ae0cc29b1a2b48d11533a755f749c/369989584.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/xaditamagiletuvekigiwep.pdfIn PDF document text
  • https://alummaswaja.com/yii/sdbalikpapan/home/images/upload/files/xiruwofipukedafo.pdfIn PDF document text
  • http://chiron-ventures.com/chiron/home/img/upload/files/210905142051625654gwktx.pdfIn PDF document text
  • https://pointswestliving.com/ckfinder/userfiles/files/botetutili.pdfIn PDF document text
  • https://ncvpte.in/userfiles/file/xuwijadovimerot.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/b8096ecba5379093bc324eb38d382b99/soribojedimuvodofedoxij.pdfIn PDF document text
  • http://onlinemidias.com/ckfinder/userfiles/files/78521876865.pdfIn PDF document text
  • http://tcyy88.com/userfiles/file/2021091313585773499.pdfIn PDF document text
  • http://lifebeachvilla.com/uploads/image/files/10055148204.pdfIn PDF document text
  • http://www.dgtrans.co.th/login/ckfinder/userfiles/files/minenajemuzeno.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161373f642e248---vefujixuvotabup.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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