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://smidgel.ru/uplcv?utm_term=nexus+kali+linux PDF link annotation

  • http://mobilesamara.com/img/files/file/jumegavowivipazofave.pdfIn PDF document text
  • http://manegedebuitenwijck.nl/uploads/file/ruvavafixazuzifowaxojo.pdfIn PDF document text
  • http://autostyle-japan.com/js/upload/files/kabaligomerogupig.pdfIn PDF document text
  • https://volgogradexpo.ru/ckfinder/userfiles/files/72094359915.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcc916bc3f---22746028313.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/70177698977.pdfIn PDF document text
  • http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/65256846264.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/984f2985c775e2dfa1fc8c96c6e4b966/bewajexijigu.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/jidot.pdfIn PDF document text
  • https://goodmix-psc.com/userfiles/files/suwewabipodunefezusevigup.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210914103000627449o63iap.pdfIn PDF document text
  • http://mskgroup-spb.ru/upload/file/xivadepowinekab.pdfIn PDF document text
  • https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/2084952ecc5fd9ae9b6f88a8c729b7d9/71067263972.pdfIn PDF document text
  • http://asesoriazabalburu.org/azaba/files/file/52562205359.pdfIn PDF document text
  • https://nikolsbeauty.com/webroot/f/uploads/file/88079632853.pdfIn PDF document text
  • https://tradingcall.in/ckfinder/userfiles/files/42816391420.pdfIn PDF document text
  • http://tsrmmessina.it/userfiles/files/17203212691.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f27dc8e5fb---vowesaku.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/xuniramawugomumadid.pdfIn PDF document text
  • https://noventa.cz/media/files/file/97522588687.pdfIn PDF document text
  • http://saddabro.com/userfiles/file/dapapalafaja.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109040755129736.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/73547819223.pdfIn PDF document text
  • http://bon-mar.com/fck_user_files/file/guxawodutawejanuxuwa.pdfIn PDF document text
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/f3c4be7e46a62a919846476bfede7108/80897208831.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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