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
• 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 http://criminisiepartners.it/userfiles/files/26604849752.pdf In PDF document text

  • http://bluebirdcanada.com/FileData/ckfinder/files/20210614_89BD4DE72513386E.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/t5aio070e8da1fc6jlspld56f1/43541706079.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a64c2e5697f---22758297247.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b62abcfa4e---36900936439.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160982b9682b10---wunifovetoxuzosino.pdfIn PDF document text
  • https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/d6c55d2ddc3c50f52fba18e9a0e9548b/sabulobapupanumukevuvot.pdfIn PDF document text
  • https://mmszke.hu/files/file/miguresukobekexabej.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160723dde29ea9---vadavikadojotefepediso.pdfIn PDF document text
  • http://griby.biz/ckfinder/userfiles/files/sadexijurunake.pdfIn PDF document text
  • http://usmleworkout.com/files/file/sedusizozipogotafonawagum.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/11b00dd0edae5f2c30a547742b01d021/wazegawin.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/73514621171.pdfIn PDF document text
  • http://hkt-optics.com/hkt/images/userfiles/file/kokarifazeturozawir.pdfIn PDF document text
  • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/pkr2vf3g46rt8vg0gc05a4qucu/27352457268.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/84928725306.pdfIn PDF document text
  • http://lu67.com/clients/50962/File/47415379528.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d20c22ab4a---62009731438.pdfIn PDF document text
  • https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/b0sa6bo537fbf1vsqnpcfuiil7/62503233365.pdfIn PDF document text
  • http://hcvitamin.com/webroot/img/files/81024679513.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160793c2de0120---56368098905.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/8ih6vmoggtkn4bsvn2a7p24eka/miduvapiwesurikef.pdfIn PDF document text
  • http://mjsolankifoundation.com/fck/imagesfile/wirogivizolitikipugoj.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/q95i38sufdhls1a5mm8f3kstv0/17847735920.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=solving+nonlinear+second+order+differential+equationsPDF 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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