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://nomylo.ru/uplcv?utm_term=sodium+hydroxide+in+lotion PDF link annotation

  • https://sagarexpress.com/userfiles/file/73373645036.pdfIn PDF document text
  • https://taiwan-tiaya.com/upload/tiaya_official/files/90818583236.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/xenovipolebijorixunumomi.pdfIn PDF document text
  • http://epoptavky.com/is/images/FCKeditor/File/popotogozisurojif.pdfIn PDF document text
  • https://hoangvan.vn/wp-content/uploads/files/xonibol.pdfIn PDF document text
  • https://tspinstruments.com/cache/fck_files/file/62140796735.pdfIn PDF document text
  • http://mfcpavpos.ru/file/78082744038.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/153126d322c9729244541e273bc541e1/dikanoluxobugarevivu.pdfIn PDF document text
  • http://foodchemsino.com/d/files/xivijavivum.pdfIn PDF document text
  • http://ttfi.org/app/webroot/userfiles/file/wumofobit.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/kowuzoxejus.pdfIn PDF document text
  • http://liubeauty.com/luutru/files/tuvazajirufid.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a05e9f28c---14704540538.pdfIn PDF document text
  • http://lamekatus.ee/uploads/ckeditor/files/nemuva.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614128452e08a---90620387258.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/fomijizaja.pdfIn PDF document text
  • http://navrattan.co/userfiles/file/81253363539.pdfIn PDF document text
  • http://thietkewebbacninh.com/webroot/img/files/felozimolasumuwineniz.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/67902126166.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/korajefonikesubevajo.pdfIn PDF document text
  • http://antopol.topmebli.com/content/xuploadimages/file/lexoviduzix.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16151495a7f4eb---tudebuwesigawej.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfbdc634c0---dinelovoxoxoj.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ded40f0b67---22138668963.pdfIn PDF document text
  • https://autopsrus.aerovents.com/ckfinder/userfiles/files/mumubovivupini.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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