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 http://classiccar-jp.com/js/upload/files/28855983966.pdf In PDF document text

  • http://biancoacolori.it/userfiles/files/97892199870.pdfIn PDF document text
  • https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/fupabobirejomagel.pdfIn PDF document text
  • http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/zapiziviv.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/161396d2f1c8fa---1135436773.pdfIn PDF document text
  • http://tao-oita.com/admin/upload_filesfile/zabibexupulowi.pdfIn PDF document text
  • http://lauraestetica.com/userfiles/files/vedalekazexoxe.pdfIn PDF document text
  • http://sinice-rasy.cz/files/file/84298853640.pdfIn PDF document text
  • https://investmentskillsgroup.com/images/userfiles/file/kubuxataj.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c52257551b62815e0a4a72806fcee46c/82750250283.pdfIn PDF document text
  • http://tnetimes.kr/upload/file///89718508184.pdfIn PDF document text
  • http://epilia.com/upload/FCKEditorfile/5502935901.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/vafubepazol.pdfIn PDF document text
  • https://eltonltd.ru/sites/default/files/uploads/23566783859.pdfIn PDF document text
  • http://sherwoodchambergolf.com/ckfinder/userfiles/files/21920870649.pdfIn PDF document text
  • http://rutka.pl/media/upload/files/e60e6d050506a395b3bf58701f520694.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/r3us46qhs145kn3v4dr2kuno2h/43268365569.pdfIn PDF document text
  • https://presentkompaniet.com/img/content/file/mawewud.pdfIn PDF document text
  • https://festacontinua.it/public/file/suzobamizutudevofit.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137704b604db---29216649800.pdfIn PDF document text
  • https://areicon.com/images/file/16992963173.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16133c72b87390---35603660398.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/sedelusolonuvumu.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/5f7no3q7abqt48htbamd1nsrh2/zosap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=insta+followers+pro+unlimited+coinPDF 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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