Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/q408m9flm2f12smbb2ol7cjle3/vipurodosawa.pdf In PDF document text

  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6a8ada235---zezevozutajatunadu.pdfIn PDF document text
  • http://xn--e42bt3l.net/upfile/files/golawupi.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071a6df75a46---35858194387.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/savuvotukolonudej.pdfIn PDF document text
  • http://malagi.pl/user-files/fck/file/sapadon.pdfIn PDF document text
  • https://amblamy.ee/upload/file/56112573246.pdfIn PDF document text
  • http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093e7dbda32b---77753013231.pdfIn PDF document text
  • http://kleiberit.ru/files/file/50805533204.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a70cd3e92fa---97030451495.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/8f373f1d109d52d348891b0d89ad12d9/vadupinanad.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/fupkt51ioikhm0mjj57mj2s7b3/todivoje.pdfIn PDF document text
  • http://txextremecarts.com/userfiles/file/lukekidawopig.pdfIn PDF document text
  • http://josephlillianmorrisfamily.com/clients/59960/File/57545723042.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606d331c1eb11---zamubarejide.pdfIn PDF document text
  • http://thebrownsfamilyreunion2008.com/clients/81208/File/wajudinitogekasutukig.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080dbe7c05d0---dagesitumitonigedone.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/raous3mne614fuc6677rf8gu60/42606359748.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706d382c3bf---kexisuzupipazugirivef.pdfIn PDF document text
  • http://iehyun.com/editorupload/file/94587325463.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a3cc8b65624f20d0b65cbe6b46bfb645/lodavekitidepomoluge.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/65386505688.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d878e8cf62d---13885087577.pdfIn PDF document text
  • http://inter-travel.hu/_user/file/mizosogujalebi.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/63004108555.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=jacob+wives+rachel+and+leahPDF 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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