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://synerhu.ru/uplcv?utm_term=td+bank+statement+pdf+password PDF link annotation

  • https://littleitalypizzany.com/nbloom/fckuploads/file/41378003034.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f13e50dba2---pideviperiloxub.pdfIn PDF document text
  • http://ninda.vn/userfiles/files/savananekokix.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-8-3/20210803184252641252.pdfIn PDF document text
  • http://jmlukanich.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/31236164726.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/jarokageleremoxajivoj.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/8c35d63fae3a1d04304c92426eef2f45/93364870493.pdfIn PDF document text
  • https://ozmutludokum.com/userfiles/file/likitisabujej.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7504abb81d---48667184682.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/47538940961.pdfIn PDF document text
  • http://ccspevents.com/clients/24998/File/34083686540.pdfIn PDF document text
  • https://www.corpeverest.com/ckfinder/userfiles/files/69731987509.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/xuzadijajaridex.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/548efbm80j0a6umqenngebf1kf/70390137850.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16105d204c64df---99331744973.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbc2d34ceb---26360717464.pdfIn PDF document text
  • http://spprp.pl/userfiles/file/xinumapesinabojidutejer.pdfIn PDF document text
  • http://ventexevent.se/uploads/file/92326135116.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/wobotitukile.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bec1c24de8---89448017631.pdfIn PDF document text
  • http://boracayg.com/FileData/ckfinder/files/20210725_02F2EC7A41E4EF1D.pdfIn PDF document text
  • http://adaviestransportltd.com/userfiles/file/tidikaz.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/duginawitodaki.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/wedivizesidanenomukubo.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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