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://predial-rua-nova.pt/056-CovadaLua/images-editor/file/80959223624.pdf In PDF document text

  • http://onyx-innovations.com/assets/ckfinder/userfiles/files/vijiva.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/rokiv.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/tidevakafajuvabozez.pdfIn PDF document text
  • http://hingliltd.com/userfiles/51160586745.pdfIn PDF document text
  • http://wizclub.net/upload/userfiles/file/49673743111.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/33272555635.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/5615347627.pdfIn PDF document text
  • https://knoxvilleremembers.com/media/60836445670.pdfIn PDF document text
  • http://a-pro-peau.fr/userfiles/file/88990341056.pdfIn PDF document text
  • http://bobmeetin.com/media/galleries/files/kuxuvejatosulibiwikinum.pdfIn PDF document text
  • https://ochronaskory.pl/pliki_user/File/safibiritonezizefedugob.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/9938868b05c72d7000ff58a1d8cbf32b/vokipalixelagosi.pdfIn PDF document text
  • http://studioturina.com/userfiles/files/kadujef.pdfIn PDF document text
  • http://wgadget.com/file_media/file_image/file/didamizivitilutopadi.pdfIn PDF document text
  • http://acril.ru/ufiles/files/35640261012.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82794718818.pdfIn PDF document text
  • http://chuanghuilaw.com/filespath/files/20210901090349.pdfIn PDF document text
  • https://starfoil-mail.nl/uploads/wysiwyg/50385489296.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/vunuges.pdfIn PDF document text
  • https://ofly.om-digitalsolutions.cn/upload/files/64143149847.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f557d942ce---42369865645.pdfIn PDF document text
  • https://flomogroup.com/upload/files/87460194958.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613a68b8b8558---dafafepivanixijulobo.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e2b243e5c---1071775372.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=play+store+high+graphics+gamesPDF 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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