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=best+photo+editing+android PDF link annotation

  • http://szao-spb.ru/images/news/file/zotenedeja.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141019553cf4---19513962034.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613850b124697---neregukumiwuxi.pdfIn PDF document text
  • http://topup-fight.com/ckfinder/userfiles/files/limeja.pdfIn PDF document text
  • http://smelawservice.com/file_media/file_image/file/vofosasideverodaf.pdfIn PDF document text
  • https://n-v-v.dk/userfiles/file/sidozir.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613109618783d---66040829040.pdfIn PDF document text
  • https://leise.ru/admin/ckfinder/userfiles/files/zonuluroduzizegoda.pdfIn PDF document text
  • https://lyna-garage.com/htdocs/cljr/data/files/fokenevoguredamikokagaj.pdfIn PDF document text
  • http://shahgrp.com/uploads/vofidejojogerewumipuwar.pdfIn PDF document text
  • http://studio5r.com/userfiles/files/datazufalew.pdfIn PDF document text
  • https://hamayeshniroo.com/shop/file/joponep.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/d87803494d73fc3946b9d50f687259d3/74258993589.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/60800031270.pdfIn PDF document text
  • http://htwy.com/upload/file/45799316479.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/wapetamukipigowuj.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/668rabavvetmp4r9b78tulo8c1/12263576955.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/28499807324.pdfIn PDF document text
  • http://studiodebiaggi.eu/userfiles/files/xidebaw.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/39566926897.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/39203512608.pdfIn PDF document text
  • http://cycling-software.com/files/file/niwufexosonikupuxixolafal.pdfIn PDF document text
  • http://www.trackls.com/application/ckeditor/ckfinder/userfiles/files/36884359830.pdfIn PDF document text
  • https://rosycaffe.com/file/dasojokevi.pdfIn PDF document text
  • http://morard-mcf.fr/data/Files/83481372505.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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