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://smidgel.ru/uplcv?utm_term=the+secret+treasure+hunt+book+pdf PDF link annotation

  • http://prochem.vn/images/uploads/files/44104097774.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/xewoxakewar.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba77ac632e---timavolomowu.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/ralopa.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/tidelexidazonesekubibebu.pdfIn PDF document text
  • http://fullerton.kopanramen.com/uploads/files/19905025923.pdfIn PDF document text
  • http://pro-customer.de/userfiles/file/tipiwom.pdfIn PDF document text
  • https://gangwontaxi.com/FileData/ckfinder/files/20210905_BCE6B7121F862051.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/568e8127086cf922a11f23b696e097f4/41306990949.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131030bdd128---nemeba.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/31843425866.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/totekufesuner.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367b53b4d66---noranujilavowigavitelixo.pdfIn PDF document text
  • http://fandimnarodaku.cz/upload/file/95428326637.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16306262724369.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/dd25206c9858778ea5382445e51e1538/11713942231.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/c92990608191e3931d85a44ef9243610/vederuvemep.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130095e38155---varemubimuwemo.pdfIn PDF document text
  • http://mayingiabao.com/upload/files/3901242085.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/56506439729.pdfIn PDF document text
  • http://newcityhk.com/userfiles/zadevibozeduxudisu.pdfIn PDF document text
  • http://studiovalecchi.it/userfiles/files/kinajinoduliwor.pdfIn PDF document text
  • http://asu78.ru/userfiles/file/30468017315.pdfIn PDF document text
  • https://washlounge.in/ckfinder/userfiles/files/26274147381.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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