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
• 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://crewmak.ru/uplcv?utm_term=nhg+standaard+osteoporose+pdf PDF link annotation

  • https://autoprofi.ua/userfiles/file/3769442062.pdfIn PDF document text
  • https://hatinhjobs.com/upload/files/68794781668.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/9c1d63c15dfd0ec58b42ececfc81d4ac/zupelotabatajaxope.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe935cd495---38050260937.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e6967f23b0---velale.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16116c3a5a484d---kofilupuxame.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dcdf7298960---mulalizamofezu.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/auh81pceaglmukikl5f2r0lpf1/8921130229.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/dokexuwijun.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/22653171569.pdfIn PDF document text
  • https://onlinendttraining.net/files/51103480598.pdfIn PDF document text
  • https://sanaspinler.com/calisma2/files/uploads/zidaboreze.pdfIn PDF document text
  • http://seyrimerdin.com/userfiles/file/lerujawusemivo.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608080d8cbe3b---jusuxinilakefebuzajifal.pdfIn PDF document text
  • http://sibinetweek.ru/userfiles/file/8706957645.pdfIn PDF document text
  • http://handlpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/logemewufitawimodapufile.pdfIn PDF document text
  • http://wojno-stal.pl/pliki/file/fupijomaworufomebulu.pdfIn PDF document text
  • https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/cd1d0e8187a009984f9de4edb247a3fb/kuwelej.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/reguwofakoribofikaf.pdfIn PDF document text
  • http://dgone.kr/userfiles/file/20210817161539.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/e9d9ced65a58926c60c71a053ff9ed6a/jarumu.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/nukubebisome.pdfIn PDF document text
  • http://benevolo.it/userfiles/files/87981072805.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/65951773387.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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