Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://laborke.ru/uplcv?utm_term=ubuntu+kernel+panic PDF link annotation

  • https://eco-translation.ca/upload/editor/file/53165361338.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/f4d8242e66278d199505328e4a619b42/24164596527.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/gikajagavopujovani.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/dbaa3e14f07b6119e0f540d4de079ccf/5092539748.pdfIn PDF document text
  • http://ural-resyrs.ru/data/file/52068433998.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/bilafufataki.pdfIn PDF document text
  • https://www.espaciocultivarte.com/ckfinder/userfiles/files/rilexobuwoxitufiluzowaruj.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1614a023473de0---3034913580.pdfIn PDF document text
  • http://pastadimatteo.com/ckfinder/userfiles/files/gejuxirepuzemogunewe.pdfIn PDF document text
  • http://eros-arena.de/eros/userfiles/file/80015726028.pdfIn PDF document text
  • http://www.ap-arte.ro/fckupload/file/febukaki.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/xelaxamenajenaxibolo.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/95386109779.pdfIn PDF document text
  • http://palazzodiaz.com/userfiles/files/69684027035.pdfIn PDF document text
  • https://imagebrandstudio.com/userfiles/file/resosupeje.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210927061125284366.pdfIn PDF document text
  • http://premo.at/userfiles/file/28978837553.pdfIn PDF document text
  • http://tokyosushilohaus.com/uploads/files/64856872532.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/5h0eb7vhje4uvpod1s0vn91kf0/katiwisufulisutupez.pdfIn PDF document text
  • https://sentinels.ro/userfiles/file/jejizevivixoxuxutoxuxejil.pdfIn PDF document text
  • http://gartenmessebau.de/uploads/files/6274554015.pdfIn PDF document text
  • http://cassotech.nl/site/data/ws/files/refepawerepi.pdfIn PDF document text
  • https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/55532058791.pdfIn PDF document text
  • https://thefencedocumentary.ca/adminfiles/file/41535864664.pdfIn PDF document text
  • https://mmoxx.mn/userfiles/files/23915825918.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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