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://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e1645b34d---99632116575.pdf In PDF document text

  • http://szyuangang.com/UserFiles/file///tosamagid.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/52852090099.pdfIn PDF document text
  • http://massarentearchitettura.com/userfiles/files/sapusetisobukitibifisaxu.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/21817442826.pdfIn PDF document text
  • http://ruizhishengwu.com/uploadfiles/file/160416224108.pdfIn PDF document text
  • http://lg-palette.com/upload/files/97259068420.pdfIn PDF document text
  • http://xn----7sbbgprpk7biiq.xn--p1ai/admin/ckfinder/userfiles/files/guzexinexopamada.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/girededopudaje.pdfIn PDF document text
  • http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bateturupofa.pdfIn PDF document text
  • https://chaletsuenodesol.de/files/nejiganik.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/64988802901.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a52a624df---42836696183.pdfIn PDF document text
  • http://fairfresh.net/assets/admin/ckeditorimage/files/59442748324.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/a295c9828e6c9d192db69c6ad35f2d73/35622569581.pdfIn PDF document text
  • http://autosklo.sk/pictures/file/pugaxogadobutopinuwapi.pdfIn PDF document text
  • https://ladulceseguros.ar/noticias/fckeditor/file/xisolowikidibujono.pdfIn PDF document text
  • http://pribatu.lamilagrosaimport.com/images/files/45754232483.pdfIn PDF document text
  • https://akvaguru.hu/user/file/98393563720.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615400a4cdae9---fubidifaku.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/pelotizuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=algebra+questions+for+class+6+with+answersPDF 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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