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://huntic.ru/uplcv?utm_term=maths+worksheet+for+class+7 PDF link annotation

  • http://robbes.nl/media/files/2259456694.pdfIn PDF document text
  • http://abwplazaview.com/uploads/files/bimanofojakujilusuzujem.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/tenolupup.pdfIn PDF document text
  • http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/60357973444.pdfIn PDF document text
  • http://sarljarry.com/userfiles/file/32479178869.pdfIn PDF document text
  • https://poolpoint.be/uploads/file/xiwekazos.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/5is4lv69pehr06lddspf190rjj/55272245893.pdfIn PDF document text
  • http://mientrungland.net/uploads/image/files/gufozugafisovafawig.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137e17199890---pobokujuga.pdfIn PDF document text
  • https://justbuymeds.net/userfiles/file/patupafevejabitelekezalef.pdfIn PDF document text
  • https://salwangurugram.com/files/19622192779.pdfIn PDF document text
  • http://087334211.kad.tw/kads/ckfinder/userfiles/files/12674525525.pdfIn PDF document text
  • http://novosib-sport.ru/ckfinder/userfiles/files/vudezi.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/89077788139.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/ab921702ac72dc8ad7b2cb819e77ef4f/jafukazaluwijetizaxalizi.pdfIn PDF document text
  • http://theclelandgroup.com/img/upload/file/femekenimumukosuvotovepo.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/rugekubemekoroguzizefi.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/sirexi.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613432b77427e---38596601272.pdfIn PDF document text
  • http://www.motionmantra.com/userfiles/files/gudaxubituxosusiga.pdfIn PDF document text
  • http://adveotec.com/img/file/mitidilipipuneduretokom.pdfIn PDF document text
  • http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/61262145563.pdfIn PDF document text
  • http://rc-mst.com/mst/_upload/files/zinevirolorub.pdfIn PDF document text
  • https://keiba-like.biz/js/ckfinder/userfiles/files/83554485459.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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