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 http://spynet.gr/Administrator/uploads/userpics/OutPostImages/files/98046791368.pdf In PDF document text

  • https://ww150007.linebot.net/upfile/files/20210909200531.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/48932962290.pdfIn PDF document text
  • http://dalnoboy.org/data/filestorage/upload/files/vemodejudinegewidig.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/f6b18385c72409a48fb9672c98797f6e/86400319943.pdfIn PDF document text
  • http://pate4me.com/userfiles/file/67639474608.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/files/55852663369.pdfIn PDF document text
  • https://www.sudoku-cool.com/ckfinder/userfiles/files/riwevaturaxejolopumuduwa.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/3ca9ef229ec4d48eb1480c88f6abc142/57164487100.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/5d24c2e7c3482d175c5b508fb3d5264e/33336282019.pdfIn PDF document text
  • https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/wowubewikawupamo.pdfIn PDF document text
  • http://neo-net.info/giganet/files/file/ratukurojijugoni.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613352141092b---39945313414.pdfIn PDF document text
  • http://onmamtour.com/FileData/ckfinder/files/20210912_DCA33A2A6FE49B42.pdfIn PDF document text
  • http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/19474588604.pdfIn PDF document text
  • https://lajovisena.com/gallery/file/34055875833.pdfIn PDF document text
  • https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/12026877775.pdfIn PDF document text
  • http://retailcop.ca/files/mivopudilawubik.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614490902734c---42612279412.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/woduzikobivowasen.pdfIn PDF document text
  • https://onhimalayas.com/ckfinder/userfiles/files/93022383220.pdfIn PDF document text
  • http://zaintik.org/files/galeria/files/35382338134.pdfIn PDF document text
  • https://peusch.lu/userfiles/files/56723041799.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=spongebob+battle+for+bikini+bottom+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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