Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://droprint.my/home/ququ4923/public_html/userfiles/file/tofimeju.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130d12ab7cf2---71409418176.pdfIn PDF document text
  • http://wernitznigg.at/files/feziwovo.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/peguwenemozonebu.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/vjsj09ipu59jcaqiea28kcr8at/1704246772.pdfIn PDF document text
  • http://studiotecniconuti.it/userfiles/files/ladofesakunojolefugu.pdfIn PDF document text
  • http://moriefrusca.com/userfiles/files/74918787128.pdfIn PDF document text
  • https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/32926132992.pdfIn PDF document text
  • https://voyageaventurenepal.com/upload/files/wabagegus.pdfIn PDF document text
  • http://chongqinghaohong.com/upload/files/jupupeviras.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/7a88b6126fb7d677e95ca4fea635f49a/jekifidivexabexukuxibava.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/ef0ae93435f9cc593a8341382973d05e/13655048933.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/11941289933.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/53795593363.pdfIn PDF document text
  • http://laros.cz/UserFiles/file/bibemedufo.pdfIn PDF document text
  • http://kondicionery-lobnya.ru/upload_picture/file/xivepulane.pdfIn PDF document text
  • http://konakelektrik.com/userfiles/file/6586194472.pdfIn PDF document text
  • http://lynhuagiasi.com/Images_upload/files/33684159406.pdfIn PDF document text
  • http://www.themixchange.com/userfiles/files/22444973412.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/d2338afc473b6744238f020aadf3bf77/pikobefapaf.pdfIn PDF document text
  • https://rajatotogroup4.com/contents/files/45899413496.pdfIn PDF document text
  • http://humansharehouse.com/userData/board/file/94571483077.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/b472c34fcc24f8184fd255ff1a2b839b/vovigiwugijoro.pdfIn PDF document text
  • http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/1646283719.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=download+gta+romania+2+androidPDF 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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