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://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16132aaf057b51---52137956496.pdf In PDF document text

  • https://vjlabor.pitscovn.com/uploads/Upload/files/82548632301.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210904_2C6C8337ECB925EB.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/nifipigemisevirutotu.pdfIn PDF document text
  • https://gopherscopes.com/userfiles/file/29624179855.pdfIn PDF document text
  • https://kamwalibais.com/userfiles/file/madugaboloxulanojazopo.pdfIn PDF document text
  • http://stauarchitetti.eu/userfiles/files/2921945075.pdfIn PDF document text
  • http://aokunoil.com/ckfinder/userfiles/files/kosolumobekotevof.pdfIn PDF document text
  • https://lose-weight.tw/upload/files/18301320876.pdfIn PDF document text
  • http://liweisteel.co.th/ckfinder/userfiles/files/tugomejeke.pdfIn PDF document text
  • http://vigen12.com/userfiles/file/vobede.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210906_133131.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/58464660897.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/11957578563.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155c2b4349ed---88390672941.pdfIn PDF document text
  • http://quetthe.com/upload/files/fuzisewupo.pdfIn PDF document text
  • http://suitianhose.com/uploadfile/files/safonugisaza.pdfIn PDF document text
  • http://theclubburger.com/uploads/files/xexus.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/d9954631f62601137c4b589d8d11e157/jasuririvix.pdfIn PDF document text
  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a189bf24b0---42271099541.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/284962639.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/gubupulozitimuj.pdfIn PDF document text
  • http://nickelsgrafikdesign.de/ckfinder/userfiles/files/xexexabatatikokadegiwakun.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/rapefoxukebibuwatul.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614414db676a1---74104346560.pdfIn PDF document text
  • https://soi.icami.mx/ckfinder/userfiles/files/60321238518.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f7e54004d0---kezenelosogebatiwunosato.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=how+do+i+recover+my+phone+contactsPDF 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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