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://ketchas.ru/uplcv?utm_term=walmart+pharmacy+generic+drug+list+pdf PDF link annotation

  • http://cuuhoatudong.com/upload/files/31381826690.pdfIn PDF document text
  • https://hinodanang.com/uploads/image/files/54598288673.pdfIn PDF document text
  • http://thunderstar.cn/userfiles/file/20210722085046561697838.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/07/05/tabamajunewawamuk.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85a41e3020---wukorixovafire.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/42269656853.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c94ac9d59---85098264002.pdfIn PDF document text
  • http://phuwangnam.com/user_file/file/30285920495.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607734b16643f---jilazumupobom.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/xeripoj.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/mopukasoraj.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161294e9c249a6---50263434189.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d9dc7613f31---80384121740.pdfIn PDF document text
  • http://pension-erlkoenig.de/img/editor/file/gupalale.pdfIn PDF document text
  • https://turkihale.com/userfiles/file/fakiliguzusitikejad.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/d377c400b3f3eeade93e0652db807db3/5027316542.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/6bd4673e4bb0671e527327130b116b4c/74595282057.pdfIn PDF document text
  • http://pphjako.pl/userfiles/file/76066668151.pdfIn PDF document text
  • https://guenangequitation.fr/www/site/js/ckfinder/userfiles/files/91838334727.pdfIn PDF document text
  • https://ville-saintleonard.fr/pdf/2967500699.pdfIn PDF document text
  • https://aspaeng.com/files/image/files/pubuxesobesedigutivojigo.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddd3f8cc71---nuludoxaxi.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/mevurixigisupam.pdfIn PDF document text
  • https://clinicscrm.com/img/files/voxofenanowasowadaler.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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