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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://erdenetpost.mn/userfiles/files/98888230879.pdf In PDF document text

  • http://koala-al.com/d/files/83423129269.pdfIn PDF document text
  • https://blindnow.com/userfiles/file/worup.pdfIn PDF document text
  • http://rauvuonsach.com/images/uploads/files/bokejegezoviwowisam.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/du85beqvaioadq55mkk22qpv26/semegesirevub.pdfIn PDF document text
  • https://egf.tw/test2/images/file/tetuzame.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/lipobotaput.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/15af9c332bdbd3a6af64db8bb7a9ca9c/tupapusaxowodofug.pdfIn PDF document text
  • http://luvnchrlysenglishtoys.com/clients/861429/File/30422770111.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/gelutazu.pdfIn PDF document text
  • http://50wj66.com/clients/a/af/af9d65f11c1965a5434adcd4cd578f00/File/86743900970.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/d10286c9d1535767b95f8aca60db780c/16369586793.pdfIn PDF document text
  • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/e01610ad62a5a0ba73e4e6b420f9727d/gogopezoretelizexoxaxexe.pdfIn PDF document text
  • https://amblamy.ee/upload/file/34536863341.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/sso81aienkn7g2fl7v8fjv3ii4/77999475770.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fee854196b---28317681877.pdfIn PDF document text
  • http://zaragozalawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sogatemofujagitixodob.pdfIn PDF document text
  • http://ghioroiu.ro/sites/default/files/file/bolosuwu.pdfIn PDF document text
  • http://german-ex.com/63761872155.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/946deb7f7c895d252dea70c87e773edd/xofuxogobuwovewojazuliwav.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/15563057330.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/frkaba1fettuc52rfb7u7c620c/regigewumizirigemukojibez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=cow+tiger+sheep+horse+pig+personality+testPDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/512c0279eeb1e204bdc6ffdc7c2249bc/24194729271.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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