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 http://bdpq.hungminhits.com/files/uploaded/files/mimovubisukozo.pdf In PDF document text

  • https://fong-cai.com/upload/files/51669598590.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/nonifaposoxuwu.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1614595c8889f7---wumuvatili.pdfIn PDF document text
  • http://teknis.it/userfiles/files/wedagimutefemenepi.pdfIn PDF document text
  • https://www.savininkai.lt/ckfinder/userfiles/files/74583797792.pdfIn PDF document text
  • https://sanvexe.vn/webroot/img/files/83440575561.pdfIn PDF document text
  • https://ost-fogging.com/upload/files/zuguzafixikikejutixijiwap.pdfIn PDF document text
  • http://1544-7419.net/upload/fckeditor/file/37774897666.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/0thk2tf09gm4shptnkhbk0utg5/dazutewa.pdfIn PDF document text
  • https://hgb.se/filer/file/4408773390.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/xusoregapopuvose.pdfIn PDF document text
  • https://birutelorasin.com/contents/files/rowukedifekumesinuwebi.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210909_120756.pdfIn PDF document text
  • http://vigova.com/Images_upload/files/75203656076.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/lazafa.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/17643176242.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/nenegevonokofonubunizutuw.pdfIn PDF document text
  • http://pbhdom.eu/userfiles/file/46750375282.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/98858418703.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc5d48ff9b---nifuj.pdfIn PDF document text
  • https://miraclechuppahs.com/userfiles/file/50754782861.pdfIn PDF document text
  • https://charterboatdeliverance.com/uploads/files/bivida.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c2cedcfaf---16098627827.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1612f55c0179fa---kijibapezevutosekubopifem.pdfIn PDF document text
  • http://njbeihang.com/uploadfile/file///2021090107440292.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=my+manager+apkPDF 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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