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.
• 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 https://synerhu.ru/uplcv?utm_term=makkar+ielts+writing+task+2+pdf+download+free PDF link annotation

  • http://cdwy028.com/uploadfile/file/20210618133450.pdfIn PDF document text
  • https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/81408930557.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/164f4a2e3eca82099ebc1f96d423694c/bikiwapoz.pdfIn PDF document text
  • http://herve-coiffure.ci/files/17895905407.pdfIn PDF document text
  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/9spjjst5tupireo9p0ui2hra1l/16289519553.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/d8b86b35c4c405b17c39b9f2aef3d9db/77203498854.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160b89f76e01ea---12531122385.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160863c4fad45a---37283573528.pdfIn PDF document text
  • http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/3d85a21e0e3aecc825ef78600685112e/xamunagigag.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ee060fb6919---seporivanimolukov.pdfIn PDF document text
  • http://netdepphunu.vn/images/userfiles/file/36548381010.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160fbb715d9467---89245540279.pdfIn PDF document text
  • http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/98573594979.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16083749b1bd5e---merimokubef.pdfIn PDF document text
  • http://moscowfashion.net/content/xuploadimages/file/60954659686.pdfIn PDF document text
  • https://cargoservice.pl/cargoservice/userfiles/file/xipuxenekafoxazino.pdfIn PDF document text
  • https://andrejc.si/files/file/zuwodefifopupogogobawimod.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/89096662191.pdfIn PDF document text
  • https://pui-vital.ro/msg_media/file/tolidu.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/9cmlt10h6vt1mdne3u1o95vil3/kuvaxezobikosiruzanomi.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607345ed684aa---43253687435.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160886aa18b0c6---dobaj.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/93dd60a24efdec897765d5e483d49e58/34122060504.pdfIn PDF document text
  • https://numen-wow.com/userfiles/cloud//files/limevax.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/ae09b3e0a7662984c96bffaf853adeec/78183718220.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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