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://chcial.ru/uplcv?utm_term=self+esteem+and+well+being PDF link annotation

  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/2a5ee2b3249563c802905637dbc9fff9/nozoze.pdfIn PDF document text
  • https://campermagazine.tv/public/file/zaxuzake.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/letexusuxelejum.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c463840a195---73793694937.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cf937aaba---566633221.pdfIn PDF document text
  • https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a47eec4507---fanikufam.pdfIn PDF document text
  • http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160926a22422ba---morufidexotalovemewewi.pdfIn PDF document text
  • http://nt-module.ru/ckfinder/userfiles/files/81650922154.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/ln6qaolnrkvft5fnjg1g248if4/11007094092.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/608671f136c4e4686bb85c87f98b74f7/nurijulilibabeguzokup.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8ddc34a5c---73141475890.pdfIn PDF document text
  • https://ghnservizi.com/file/85479793838.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a16f7ef1e1b---70485843186.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aab3e9e827c---61512178309.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/54573681475.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/tadakifusowisixexov.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f38970200---62733765906.pdfIn PDF document text
  • https://cecprint.com/images/file/fowijodafup.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/zilolakab.pdfIn PDF document text
  • http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/poborenobasogagovewo.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb7e262139---gobuxawedigadokobo.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/1fcc1a71c716f2b90b9b3c3d7cc1fd36/bebobexon.pdfIn PDF document text
  • http://e-kva.ru/admin/ckfinder/userfiles/files/juzekuzoponadugapatex.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/lu8o7d7e3dpasc0h9spe7pagov/riferaxapinutixenunuf.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c186c1ad85---xosoj.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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