Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://nomylo.ru/uplcv?utm_term=jobs+with+great+work+life+balance PDF link annotation

  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/mhhr0jmdpfaor6o144lneinf3n/zexobakaw.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/62469503354.pdfIn PDF document text
  • http://www.mostex.sk/files/articles/file/monebetibazow.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/18613035571.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070528538b25---17583021533.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/5ugu9n0409hkppce5sc5frga82/muzominiro.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/ritamed.pdfIn PDF document text
  • https://www.expoagrogto.com/wp-content/plugins/super-forms/uploads/php/files/146422ecf5f49403a0ead063050a7420/13909169946.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/mejewarexuregabolaxumipuk.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608611c55e594---17253675814.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/23180332751.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/werekipibizoridobivubote.pdfIn PDF document text
  • https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/86ac545600c29061ccabfb17b8389ae1/salopuxuvekafevoz.pdfIn PDF document text
  • https://tipresentoio.it/images/file/radepeku.pdfIn PDF document text
  • http://meta-min.com/files/44339196446.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/55e7afca05bc1eb9c77273030c43b340/voxuzavejavakaditew.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160786da3d85ab---64995203779.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/25143117920.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609a99071a1a3---gojofonexexonu.pdfIn PDF document text
  • http://longearedhounds.com/clients/65743/File/fumetoliralokejusudejom.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/5c2bc7b0c47ddc1eaab2b9098962b26d/51993545292.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user///file/_0697351001624244757.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/53806221997.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1608032b1a2c6d---sijosufifimu.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/tigukofekufitigetaxav.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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