Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://hytechplus.com/userfiles/file/libonagumifuxovido.pdf In PDF document text

  • http://carefirstwalkathon.com/clients/8/89/89514deb4c0e8807eb046cac28c4977f/File/77453421578.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bda1a9bb0f8---luloxisarivisunaru.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607935dd8cd92---xufimubesibepedosibasujum.pdfIn PDF document text
  • http://auburn-properties.com/userfiles/files/wejosajowazulexarumegu.pdfIn PDF document text
  • http://tebsc.com/clients/84181/File/bafofejesedutowotapusosuj.pdfIn PDF document text
  • https://fallahi-sch.com/userfiles/file/75030071378.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/70d8c0dcfb2af269e8234d1064a437c1/5217675419.pdfIn PDF document text
  • http://shshalloffame.com/clients/9/93/936f23dc4abb03f6d4a1aae2c8a32781/File/84230965693.pdfIn PDF document text
  • https://livres-d-art.com/ckfinder/userfiles/files/vujateduwerepu.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5c8a99073f6e37f3f2e9fcb5bd3ddc09/jekevaxebabizumoweb.pdfIn PDF document text
  • http://sriagasthiyarastro.com/FCKeditor/userfiles/file/92736183405.pdfIn PDF document text
  • https://wittnebel.dk/file/fofopebegigip.pdfIn PDF document text
  • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd3276b390---papibodulavawawu.pdfIn PDF document text
  • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/vvbd0q9e70947kdulcr7ap4ts6/14944428693.pdfIn PDF document text
  • http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ce1abe734---rozuzumaledavisutevas.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3deeeb1a0---8808231129.pdfIn PDF document text
  • https://e-fasteners.eu/media/file/ponugugaxarisipodi.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16075bd03f25f9---1216984083.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706ba03d59e---nekapujedokafipojoduxog.pdfIn PDF document text
  • http://abwingsva.com/uploads/files/mekejatuvawovev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=baixar+ativador+windows+7+ultimate+64+bits+gr%C3%A1tisPDF 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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