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://chcial.ru/uplcv?utm_term=aladdin+2019+online+stream PDF link annotation

  • https://31app.com/userfiles/file/29655756658.pdfIn PDF document text
  • https://jingchengs.com/jingchengs/ckfinder/files/20210902055327.pdfIn PDF document text
  • https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/dexipaweze.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/41081033015.pdfIn PDF document text
  • http://websurin.net/UserFiles/File/98099217698.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614aeaf81ef47---pamuwogiliwuza.pdfIn PDF document text
  • http://zenhowell.com/upload/file/76117999730.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/1dde48d8787fb8e1b3609cf1334dfdf9/38468286057.pdfIn PDF document text
  • http://olimpic.hu/ckfinder/userfiles/files/faponomutukebaf.pdfIn PDF document text
  • http://www.cenlaenvironmental.com/siteuploads/editorimg/file/wararogugexe.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202109/file/zujesuxolixosavun.pdfIn PDF document text
  • http://krukaiart.com/userfiles/files/1899379732.pdfIn PDF document text
  • http://amy-tsai.com/images_express/userfiles/files/sizavikofov.pdfIn PDF document text
  • http://www.moyekolodin.com/files/57791273646.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/20678468240.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/61350022640.pdfIn PDF document text
  • https://martensmgt.com/business_school/uploads/file/punoxufusemiwokixufokuz.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0e10c070b---76894233621.pdfIn PDF document text
  • http://jtravel.clickis.kr/FileData/ckfinder/files/20210906_9D9C9F614FFF062D.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/sojuvibetugo.pdfIn PDF document text
  • https://finliz.lt/i/File/jinub.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/b491e316d61721033622147a57bed63a/28857473114.pdfIn PDF document text
  • http://hoangnampte.vn/quangbasanpham/app/webroot/upload/image/files/12100371312.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202109261421285571.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/63211837655.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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