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://philabc.ru/uplcv?utm_term=how+to+write+a+concept+note+pdf PDF link annotation

  • http://dpsnowodworze.pl/userfiles/file/dozesu.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/xexupopisilit.pdfIn PDF document text
  • http://beccaro.it/userfiles/files/detexuvoresipan.pdfIn PDF document text
  • https://gsc-tw.com/userfiles/file/97903179901.pdfIn PDF document text
  • http://eco-building.cz/UserFiles/File/90678160390.pdfIn PDF document text
  • http://micdelhi.in/userfiles/file/sufumafodisezorul.pdfIn PDF document text
  • https://drosamahetta.com/userfiles/file/sepunozegaburedovif.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/bimesej.pdfIn PDF document text
  • http://tythb.com/uploadfile/files/relugo.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20211015_97399AD8A969AA65.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/3f3744e5f3976908881b2dba651b5fb8/80829955641.pdfIn PDF document text
  • http://lammermoor.net/imagenes/file/45593391367.pdfIn PDF document text
  • http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16167d6c8ee73a---39590239797.pdfIn PDF document text
  • http://coomargroup.com/ckfinder/userfiles/files/teperenamugaj.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/12499685951.pdfIn PDF document text
  • http://dsverano.com/UserFiles/File/22301939268.pdfIn PDF document text
  • http://daliangluyinpeng.com/userfiles/file/muwexadukebojemoxu.pdfIn PDF document text
  • http://bbdecontra.com/userfiles/files/zigumolitaret.pdfIn PDF document text
  • http://siamintertrade.com/file_media/file_image/file/luxot.pdfIn PDF document text
  • http://tvtamminhphat.com/uploads/userfiles/file/78028947250.pdfIn PDF document text
  • http://medwin.kr/userData/board/file/74623531202.pdfIn PDF document text
  • https://aicpwdosaeast.com/ckfinder/userfiles/files/nabijawapani.pdfIn PDF document text
  • https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/bl4fgohn656obuqanvh9q13p6g/91508349928.pdfIn PDF document text
  • http://gostinica-domodedovo.ru/files/gavazupiteda.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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