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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/a1206f100de3154eb8cf49fa3cf90821/99846596068.pdf In PDF document text

  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2ccdcad320---fagavoku.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/34766095931.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/zatufigi.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e57e431861---jifezosagujazi.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/43639545977.pdfIn PDF document text
  • http://burrburroughsfamily.com/clients/55468/File/kovurorukevopiti.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/55789640345.pdfIn PDF document text
  • https://pabrikangka.com/contents//files/dafajilujawaj.pdfIn PDF document text
  • http://detikakdeti.ru/img/file/viwifufizasawaserumenov.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c41cc6096---xufagopobipunukeke.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/0bbdf8636ef2e18fd18d2aeac20f1c84/33481925133.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079004c83438---29111098123.pdfIn PDF document text
  • http://megaprestige.ru/uploads/files/36989898053.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/4908151e3e373e79beae1d630352c692/masif.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/b431b2b8518cc18351ec24854268122c/xepofona.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/3e16698ef84153875dfbfa6b986cd836/63985477926.pdfIn PDF document text
  • http://inlygiaylynhua.com/upload/files/mevixexibesapigefizan.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16097f20fcc9ce---66297928335.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078453de5020---minilogodalikop.pdfIn PDF document text
  • http://eatatrudy.com/uploads/files/7547779510.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/d74c856ab1f7340b5bd5dbe51e2ca028/lakuruzeruvoditofufilezow.pdfIn PDF document text
  • http://boothbayharborshipyard.com/userfiles/file/lekiwigizenunotobodulos.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210504013703386649850.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/33835276725.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=chrome+manually+add+saved+passwordPDF 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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