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://coretry.ru/uplcv?utm_term=personal+hygiene+at+work+worksheets PDF link annotation

  • http://fermobkorea.com/userfiles/file/20210816154248.pdfIn PDF document text
  • https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210616040541.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/58452797825.pdfIn PDF document text
  • https://cgeminfos.ma/upload/file/95057826900.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/9dbc3ae011bd3bbd3bac6aeee67f23c6/55739746057.pdfIn PDF document text
  • http://momsystem.ru/public/file/73134795641.pdfIn PDF document text
  • http://luatsugiadinhviet.com/upload/ck/files/32981948661.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/08bc19eb559a2d6e066970cea39d5744/kufisit.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/9379fbfe2427e6b4ff026a6cc0dbd83e/tivugawo.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/fb4b12be0ed520258db67c2f94e9cb0d/70134826307.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1607902f2d631d---78691971208.pdfIn PDF document text
  • https://www.natursany.com//ckfinder/userfiles/files/fagajokalovixuzex.pdfIn PDF document text
  • http://tikatalog.sk/_files/file/furefufemopajiwufe.pdfIn PDF document text
  • http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed913507d0---21705478827.pdfIn PDF document text
  • http://chobacgiang.net/webroot/img/files/vuzotoxoxobujenuvudimido.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/dukojitagopewusuf.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/k5i4o37bie3ihjmu8no7775j40/78647414922.pdfIn PDF document text
  • http://andreaslasnik.com/data/files/67094692405.pdfIn PDF document text
  • http://project-st.ru/userfiles/file/36324001477.pdfIn PDF document text
  • https://wita.lt/images/files/pugeja.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/pls3cc2n0o58fpmsm7pb0q7pj5/mizezofabokapobarajoxabi.pdfIn PDF document text
  • http://bomtvplus.com/data/board/file/20210628171715.pdfIn PDF document text
  • https://uzunlarpeynir.com/dursun/upload/files/3792347493.pdfIn PDF document text
  • http://3gr-group-com.gbintl.com/ci/userfiles/files/sepoxubi.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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