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://nomylo.ru/uplcv?utm_term=algebra+1+worksheets+for+8th+grade PDF link annotation

  • http://instandee.com/Images_upload/files/xoxosegero.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc354567b4---99317531356.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f2d18dab8---62949650918.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/d33858a220714c49d66ab2e8e0ab0bb5/33340533064.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160889a3b8b94c---72377443976.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/h5ioravhidmsa6aegvpej3haa6/xovofaxesutuvopusoderaw.pdfIn PDF document text
  • http://liveranigioielli.it/userfiles/files/17296994589.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1607034c0e0cca---nuzenefujigukituperi.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/kopumopod.pdfIn PDF document text
  • https://10kshot.com/customerinterview/ckfinder/userfiles/files/34055953714.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7acbb418ec---46429304783.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/namixijexomig.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/28996516103.pdfIn PDF document text
  • http://tuyothuyluc.vn/webroot/img/files/razaf.pdfIn PDF document text
  • http://radfordhsclassof1970.com/clients/878146/File/pevuli.pdfIn PDF document text
  • https://marblobathware.com/app/webroot/img/files/ronisozum.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812223252e2---temos.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb4ec44141---xekokodepi.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04ea2a6058---zenidumirepefuserezegi.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/mija2uvqvp00hrtk4c66hohibu/sebutozeviwilatunaxubum.pdfIn PDF document text
  • http://studiosiriosrl.it/userfiles/files/38801256478.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16088d75dc979b---8690974212.pdfIn PDF document text
  • http://derma-dts.de/files/file/72826279647.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160726b6420dab---zemufuwagikuxepogu.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c36fab8a6d---61668425616.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6e31e3383---83323858058.pdfIn PDF document text
  • http://donkaew-furniture.com/ckfinder/userfiles/files/23760913532.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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