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://philabc.ru/uplcv?utm_term=samsung+j2+bypass+google+verify.apk PDF link annotation

  • http://yogasol.cz/ckfinder/userfiles/files/90229129346.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080111224a1d---gobox.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e1b0025f9b---18431110961.pdfIn PDF document text
  • http://cyklo-sport-servis.cz/UserFiles/File/8595152870.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/4ba48e9f7cb8c22d5ab79efed0102835/89199548593.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/rumili.pdfIn PDF document text
  • https://castilloexterior.net/ckfinder/userfiles/files/lomusulezupubumekap.pdfIn PDF document text
  • http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/21196909999.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b978e0c3f62---60867638543.pdfIn PDF document text
  • http://winecellarkeeper.com/ckfinder/userfiles/files/25699587055.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/32980446427.pdfIn PDF document text
  • http://beiks.info/public/file/dudam.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/aba90daf1d92ce29caf960a176315bba/2558340970.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/kalonegulelejosi.pdfIn PDF document text
  • http://eshop-kocicinadeje.cz/files/file/88758103439.pdfIn PDF document text
  • http://salinasouth.com/clients/11073/File/41244467344.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/f72bv54d8usb9e1ttsmd6dichf/sunusemuzinesoxudu.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/f794f16a6b3286212bf85fb085d48888/47553962815.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/53a0e20f016671f7bad1d491d84a9bf8/sopelaxaledadegi.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/l09da2qkg8lr08so6nhfisu82a/xigida.pdfIn PDF document text
  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/ebbb37a51bb2648407f2c25cb5b22d4e/51896031869.pdfIn PDF document text
  • https://geneolock.com/locktactyuma/userfiles/file/89075612908.pdfIn PDF document text
  • https://candica.pl/ckfinder/userfiles/files/71554533382.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/45654a8a77f1fa7cea6cf151c890de7c/41440998448.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0a5d25f45---vakimof.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/t3i39pmshmckoftl5uouhd0v31/3339883023.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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