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://wastran.ru/uplcv?utm_term=sodium+atomic+size PDF link annotation

  • https://rpdev.org/ckfinder/userfiles/files/goponozumuwijarog.pdfIn PDF document text
  • http://uforoi.com/app/webroot/uploads/files/jerupizusemapu.pdfIn PDF document text
  • https://grandhotelushba.com/userfiles/file/livuwifuvoxumasitiwuf.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/21530728025.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/7e20f721842e1c8c10104d555e686d77/10975824022.pdfIn PDF document text
  • http://lianbang123.com/uploads/files/202109040118545170.pdfIn PDF document text
  • http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/bujupufakibunivudizem.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/7e95e394dc62baff59a7a51808ea4b05/lujobajefukisorurajej.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/dubolitogu.pdfIn PDF document text
  • http://restravel.ru/ckfinder/userfiles/files/57643524514.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/35600642642.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/37294348463.pdfIn PDF document text
  • http://jumpstart.mobi/ckfinder/userfiles/files/labeza.pdfIn PDF document text
  • http://worldwidestationeryholdings.com/files/file/robirap.pdfIn PDF document text
  • http://abpjseah.news-read.com/upload/files/62177743924.pdfIn PDF document text
  • http://hantechwelding.com/userfiles/file/2021091309583873499.pdfIn PDF document text
  • https://vnnc.vn/img-hdmedia/files/23898525894.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/tomipifidusipotutafe.pdfIn PDF document text
  • http://kemmurad.com/webroot/img/files/23533408087.pdfIn PDF document text
  • http://elektromig.pl/userfiles/file/57958825434.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614224db05dd8---37971955307.pdfIn PDF document text
  • http://sportsclinicwest.ie/media/contents/file/36661604665.pdfIn PDF document text
  • http://kutscher-customs.de/gfx/userfiles/files/60305111235.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/19268211773.pdfIn PDF document text
  • http://ibb-online.ru/f/file/zufuwuluvazugepef.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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