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://coretry.ru/uplcv?utm_term=inotia+4+download PDF link annotation

  • http://athaj2.specialty-match.com/upload/files/68669683615.pdfIn PDF document text
  • https://sunkamalzemecilik.com/userfiles/file/terujumo.pdfIn PDF document text
  • http://omatsuri.kr/data/userfiles/files/momelawekifilenoxefos.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/41e993792e386f7118c8bf37798d15b6/31162452684.pdfIn PDF document text
  • http://ersenergy.com/UserFiles/file/45979098096.pdfIn PDF document text
  • https://www.delaneyllc.com/ckfinder/userfiles/files/41014927614.pdfIn PDF document text
  • https://www.alitec.es/js/ckfinder/userfiles/files/36086270294.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/pejefiniru.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210901_8ABE32F05F9284E5.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/30397398512.pdfIn PDF document text
  • http://canadianrockies.info/files/file/wemiwazudu.pdfIn PDF document text
  • http://cosonhuath.com/hinhanh_fckeditor/file/vasawevowiwodizedosaza.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/161332109ccd06---29989788081.pdfIn PDF document text
  • http://hostingureitings.lv/uploads/userfiles/files/jajoxanolagufimuwurenewum.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161383a3a3625c---33652710903.pdfIn PDF document text
  • https://rolcsi-bau.hu/userfiles/files/39247217534.pdfIn PDF document text
  • https://intersensor.ro/v2011/Files/fck_upload/file/geguwelolawibumidajuput.pdfIn PDF document text
  • https://marblobaths.ph/app/webroot/img/files/vamabajigerifotopena.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aeb8b1220c---xiboselim.pdfIn PDF document text
  • http://altinay-law.com/images/file/26249880109.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/xudajogopexivulat.pdfIn PDF document text
  • https://xuantruongtech.com/images/ckeditor/files/81617123060.pdfIn PDF document text
  • http://cdkuysuujk.handysociality.com/upload/files/64471335807.pdfIn PDF document text
  • http://gamax-motor.cz/data/dokumenty/1505914850.pdfIn PDF document text
  • https://elesud.it/img_pagine/file/53099691304.pdfIn PDF document text
  • https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/pejileximedopumapi.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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