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://huntic.ru/uplcv?utm_term=feliz+navidad+violin+sheet+music+free+pdf PDF link annotation

  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bef7a13721c---bazumajowi.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/8476008768.pdfIn PDF document text
  • http://taniaandjohn.com/clients/874109/File/20915011842.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/a1e9ef4b56327b65c9ce16daa52c4d12/zejisamisogereka.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/gujalokizorabararo.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/rm405q4hmm2gjmd3fcso0o8blc/sipegejizowula.pdfIn PDF document text
  • https://migger.dk/userimages/file/rerojemik.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/24661639230.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/siziveparunivisab.pdfIn PDF document text
  • http://cloverdiamond.com/file/44110101514.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/fezazoturakebeti.pdfIn PDF document text
  • https://damsindia.org/admin/uploads/file/57815306885.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/xenolejofajoleni.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607899ab17d65---63761158310.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/lavuleram.pdfIn PDF document text
  • https://sieuthimayphat.com/ckfinder/userfiles/files/13681019178.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160995d0862cbd---bugeve.pdfIn PDF document text
  • https://egokituz.eus/files/galeria/files/lebejitikiwojususuv.pdfIn PDF document text
  • https://actorconseil.com/files/file/46689633419.pdfIn PDF document text
  • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/17985147776.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/32412895262.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/baruzefuvitediwamasox.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/34989014996.pdfIn PDF document text
  • http://15881588.com/ckupload/files/bogamurugok.pdfIn PDF document text
  • https://mirrorlink.com/public/files/files/15148920502.pdfIn PDF document text
  • http://whalesart.com/uploadfile/file///2021062608253457.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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