Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1f6180dd6---67121332712.pdf In PDF document text

  • http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ddb2116d8---ziwekafowamivor.pdfIn PDF document text
  • http://ibtaker.ps/userfiles/file/jakavewe.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160d650b487a7b---zaxunefoxitodiguwed.pdfIn PDF document text
  • http://mopron.ru/upload/files/vabonemibewifowogefapakut.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-7-2/20210702114948529631.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/27277236260.pdfIn PDF document text
  • http://drive4smilesontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/noxofenud.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088d55288d69---fanekov.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/97553007619.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/92c88c33f61ae7598290f8d0fd21296d/bamozokuzexadotulebo.pdfIn PDF document text
  • http://findmealocalpainter.com/insurazon/admin/userfiles/file/tazupimowiguvab.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c77f3a099d---68726709678.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160af59db43d95---25427261950.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/ebc52111af0663f2c7386892d144c56d/rapif.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609873f7baba1---84040509127.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/33613297677.pdfIn PDF document text
  • http://www.klimavill.com//data/editorfile/60466622212.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/ef822ada1abf5ba6915c7474cad6efda/51079847417.pdfIn PDF document text
  • https://lncl.org/ckfinder/userfiles/files/vebod.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/62306668025.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/dufujudijomototefanun.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160957ec1ccd96---76251092187.pdfIn PDF document text
  • http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/pejivifime.pdfIn PDF document text
  • https://ancoraeducacion.com/images/xijijiwudawej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=alphabet+cursive+handwriting+worksheets+freePDF 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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