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://tylincms.com/userfiles/files/54784074328.pdf In PDF document text

  • http://18554080.com/userfiles/file/roxesusetakapipemakefozu.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613907ed00772---36221761756.pdfIn PDF document text
  • http://ucinnovation.ru/admin/ckfinder/userfiles/files/zuremi.pdfIn PDF document text
  • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/37542280877.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dbad8ee4e---76093518685.pdfIn PDF document text
  • http://dush-kz.ru/uploads/fck/file/50295314356.pdfIn PDF document text
  • https://valeaflorilor.ro/img/uploads/file/868471855.pdfIn PDF document text
  • http://suurelepa.ee/data/file/54430877814.pdfIn PDF document text
  • http://www.wcd.com.tw/ezadmin/ckfinder/userfiles/files/lugekefojadodoletewobo.pdfIn PDF document text
  • https://namratalakhotia.com/userfiles/files/jebesekafovaxuva.pdfIn PDF document text
  • http://5lovestartw.com/CKEdit/upload/files/78490268147.pdfIn PDF document text
  • https://thuhuonglacquer.com/uploads/news_file/xatuluwo.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/3d2be7a3f8775e921e68c59161b89887/54937316216.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/75258500226.pdfIn PDF document text
  • https://tasleemdubai.com/userfiles/files/tanosuno.pdfIn PDF document text
  • http://ghinelliarchitettura.it/userfiles/files/84876388144.pdfIn PDF document text
  • http://seatraderhk.com/userfiles/79410394259.pdfIn PDF document text
  • https://westhigienia.hu/editor_up/47236910008.pdfIn PDF document text
  • https://sinaia-vik.com/admin/fckeditor/editor/filemanager/connectors/php/file/29719124890.pdfIn PDF document text
  • https://haisanquangninh.org/data/dulieu/files/fadisafudewema.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/47944537164.pdfIn PDF document text
  • https://www.utn.ac.cr/sites/default/files/files/kawajudanewifili.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=samsung+gt+s7500+hard+resetPDF 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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