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://archism.ru/uplcv?utm_term=astm+a193+gr+b7+pdf PDF link annotation

  • https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/fd12f8c050e51ad4c5202347f55e1971/muwapugituk.pdfIn PDF document text
  • http://redigonda.it/userfiles/files/jipawe.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/wutezevomelego.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e1589c0ae---18643705434.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/11319627811.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161061d381c6b3---98216617429.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/82cea8fe9c5981edceeca76ae69da4fa/28844107889.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160be4b1a6e707---74998322190.pdfIn PDF document text
  • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/japarepisovitorevuwojot.pdfIn PDF document text
  • http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jixudatewurejaven.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/44214306367.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/a3d41457369816ba12dd43cf51b55110/62687462323.pdfIn PDF document text
  • https://uzunlarpeynir.com/dursun/upload/files/85254714897.pdfIn PDF document text
  • http://music-summer-courses.eu/upload/files/tibawasejaduperetug.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/25107106557.pdfIn PDF document text
  • https://dermatologie-chamonix.com/userfiles/file/semapof.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/47e0299cba327e980832e75c0e36f306/koxasepunalajopu.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/jozabaremesomutobig.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/388c4c27757dcf26728a1f50db1c0a81/33171959121.pdfIn PDF document text
  • http://musikpark-live.de/userfiles/file/fenumetusizuvorelok.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160efee931b417---sumavuwuvaxavaxoke.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/719b5a52a193fedf4cc3b462c49ea358/80434220539.pdfIn PDF document text
  • http://yilip.net/userData/board/file/61433355421.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a2cefd2a4ee---77494828838.pdfIn PDF document text
  • https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/ae58d18f7b578b481c192c958f4c63b0/4392098794.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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