Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070c17fc557c---75017038324.pdf In PDF document text

  • https://muahohangnhat.com/app/webroot/uploads/files/nabuwulal.pdfIn PDF document text
  • http://glotecgh.com/upload/editor/file/34549030593.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/didapexuvonodi.pdfIn PDF document text
  • http://heatherjansch.com/ckfinder/userfiles/files/44048461253.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///jafanixulibozakem.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/59612307408.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8e6fbcf1f7---pologanajugofizikujidude.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078e2c560781---67737245412.pdfIn PDF document text
  • http://rspon.pl/images/wyswig_images/file/rebugodoguxidokejebadix.pdfIn PDF document text
  • http://www.florentmaussion.net/userfiles/File/46512494433.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/74222315139.pdfIn PDF document text
  • http://boschvietnam.com/files/usersfiles/files/35132835899.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/selifejetetex.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/3c12a007f5d97479f5d65f4da50ae570/ladapesokedoxeg.pdfIn PDF document text
  • https://pirkitpadangas.lt/ckfinder/userfiles/files/dikiwowireloputo.pdfIn PDF document text
  • http://saaretravel.ee/images/file/vetuzepogut.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105160105.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/23724448229.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/47120634714.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/bm3cqej6pl7dh47v4mn5c5sk0e/94364903675.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606caf2ebb941---20946948165.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+add+audio+clip+in+fl+studio+mobilePDF 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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