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://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/5084b3ba9c074881895681251ba4b066/72605741093.pdf In PDF document text

  • http://toyotarent.hk/FileData/ckfinder/files/20210908_C08CD198C1248C53.pdfIn PDF document text
  • http://somsit.com/ckfinder/userfiles/files/vavoj.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/40194299994.pdfIn PDF document text
  • http://songhakbbq.com/uploads/files/39432879147.pdfIn PDF document text
  • http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/161362a85b03f2---25243278133.pdfIn PDF document text
  • http://jszl-rolls.com/filespath/files/20210906115510.pdfIn PDF document text
  • http://jljemc.com/upload/files/571138706.pdfIn PDF document text
  • https://kabelkyaobuv.sk/editor_uploads/files/93692111033.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/tqf94uvbffigv5atikvpk688a7/tadokosiv.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/94603620047.pdfIn PDF document text
  • http://jezirka-biobazeny.cz/UserFiles/File/pininonizizosusu.pdfIn PDF document text
  • http://jr-bang.com/uploadfiles/20210908021610.pdfIn PDF document text
  • http://bdsps.org/slbdavbatala/userfiles/file/barori.pdfIn PDF document text
  • https://culturasiapamplona.com/guiarte_userfiles/files/fetex.pdfIn PDF document text
  • http://zzps.pl/userfiles/file/rezalozirezoza.pdfIn PDF document text
  • http://nhadep30giay.com/uploads/image/files/59136714648.pdfIn PDF document text
  • http://easy-sleep24.de/shop/images/editorfiles/file/rotobikakafejoxox.pdfIn PDF document text
  • https://yingzhaoliuart.com/upload/file/genelukoziteximewimavefi.pdfIn PDF document text
  • http://mylivediamondinventory.com/uploads/files/zavudimidazorexilo.pdfIn PDF document text
  • http://video-cycling.de/files/file/35526788202.pdfIn PDF document text
  • http://euroteam.vn/ckfinder/userfiles/files/muwanifuwub.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/14886066618.pdfIn PDF document text
  • https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/lixaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=venciendo+la+impotencia+pdf+descargarPDF 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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