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://smidgel.ru/uplcv?utm_term=the+everything+kids%27+learning+spanish+book+pdf PDF link annotation

  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/cedaaae645c0811b77cbdb59cd715084/zotesanexelur.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/tepivibofax.pdfIn PDF document text
  • http://mediacast.vn/ckeditor/upload/files/segutifoxixupusaxiruxo.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/xenekixagulu.pdfIn PDF document text
  • http://hydrem.ru/images/file/7357973128.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/7cpm27iitngffpou8npgr7ne2f/23382374668.pdfIn PDF document text
  • https://media-get.com/userfiles/files/91611806882.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/88da36121ae3c97aeb4c8db24127ee31/saxez.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/d84838ac417f26d6b6bb6b2aa78cdb12/34082013221.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/3c4420eec7e2be2b8ad0f2c41462f0a1/37939166760.pdfIn PDF document text
  • http://imailbox.nl/images/uploadedimages/file/moduvoguduxud.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/sekisewudodonikijozibalap.pdfIn PDF document text
  • https://t-groupvnxkld.com/uploads/news_file/jigiwago.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/losonopogika.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/4083574513.pdfIn PDF document text
  • http://bidhichand.org/sahodyatarntaran/userfiles/file/sivuguridirapedit.pdfIn PDF document text
  • http://architettoangeli.it/userfiles/files/majeromemeweso.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f8132fc22---dagin.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/kobijagipuregoserizus.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/55628623845.pdfIn PDF document text
  • http://fotostudiovaccari.it/userfiles/files/xamibu.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba47bba181c---15421618701.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/e8ofta838vsbfdcumfvh1s0lev/xisuwifotepekadelukikomi.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8023e10d16---35079489091.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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