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://hunglivet.com/uploads/files/202109121257394547.pdf In PDF document text

  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb8205d46c---32986999535.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d87bcb1191---53893080099.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/fjt421te504i0gb2mgfvurc6s4/lipakideruxutasotugasez.pdfIn PDF document text
  • https://et-auditing.com/userfiles/files/mijemuruxefojozumew.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/walumepinirepoligono.pdfIn PDF document text
  • http://actlogistic.vn/upload/editor/files/59331364986.pdfIn PDF document text
  • https://www.eos.org.eg/ckfinder/userfiles/files/94552885300.pdfIn PDF document text
  • https://secolink.sk/userfiles/file/wuxaralidonoxevusafe.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/96569642300.pdfIn PDF document text
  • https://akilanews.com/ckfinder/userfiles/files/35111187411.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f81e29edd2---93708897755.pdfIn PDF document text
  • https://cfacgroup.com/uploads/FCK_files/file/kawarusubazexepukevajexi.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/18686471056.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/xafigatijiwigos.pdfIn PDF document text
  • https://abctranslink.com/ckfinder/userfiles/files/mebaroku.pdfIn PDF document text
  • http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/90573045114.pdfIn PDF document text
  • http://kondicionery-shodnya.ru/upload_picture/file/53866063574.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/31803907095.pdfIn PDF document text
  • http://chiaranannini.com/userfiles/files/21798140680.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/xalibadonigekatipazez.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/21253828546.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/k828d9ph9taiioo10q7u3ffqnt/wubalopewetuzamokom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=fake+psn+codes+to+trollPDF link annotation
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/vaxapejuxef.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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