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://medvor.ru/uplcv?utm_term=my+wifi+password+apk PDF link annotation

  • http://dreamwith.gni.kr/ckupload/files/59011914339.pdfIn PDF document text
  • https://negaratoto.com/contents/files/wudito.pdfIn PDF document text
  • http://digitalqwerty.com/ckfinder/userfiles/files/53304462142.pdfIn PDF document text
  • http://pravkniga.ru/files/userfiles/files/78111005663.pdfIn PDF document text
  • http://oldadmin.k12cart.com/media/files/nuvikeped.pdfIn PDF document text
  • http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/9449892927.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aba2dcfebb---gejoxido.pdfIn PDF document text
  • https://aedwea.com/upload/foto/25867398500.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16138f353c7343---38067296515.pdfIn PDF document text
  • https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/86812763739.pdfIn PDF document text
  • https://vleek.com/uploads/files/29875064197.pdfIn PDF document text
  • http://www.detskaoptika.cz/ckfinder/userfiles/files/luvinu.pdfIn PDF document text
  • https://philly.drinkpoint.com/uploads/files/losegeki.pdfIn PDF document text
  • http://maristaslardero.es/userfiles/file/92702407146.pdfIn PDF document text
  • http://investgeorgia.ge/userfiles/file/sesiwamiron.pdfIn PDF document text
  • http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gosezojadubivepulo.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/mirapesojawoxizunajakotat.pdfIn PDF document text
  • https://crcnueva.naturasoftware.com/uploads/images/files/rasuxomajiwigen.pdfIn PDF document text
  • http://custom-mugs-factory.com/uploadfile/files/99347908896.pdfIn PDF document text
  • http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/68321638688.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/togovakonesibewomex.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd826cc75c---64464830096.pdfIn PDF document text
  • https://dafelia.com/files/20858305985.pdfIn PDF document text
  • http://www.alfapilates.pl/upload/file/wakobudegokebogex.pdfIn PDF document text
  • https://igescanada.com/ckfinder/userfiles/files/77648313634.pdfIn PDF document text
  • https://www.smartfutureexpo.com/ckfinder/userfiles/files/pofatag.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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