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://medvor.ru/uplcv?utm_term=bettermen+workout+trainer+premium+apk+free+download PDF link annotation

  • https://cpc-serbia.org/js/files/junorovefizof.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/48481785641.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/86564646333.pdfIn PDF document text
  • http://calisnt.com/uploads/files/tegepipepazov.pdfIn PDF document text
  • http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tiridofakuguvopof.pdfIn PDF document text
  • https://ww150005.linebot.net/upfile/files/20210907230401.pdfIn PDF document text
  • http://ssatripoli.org/userfiles/file/sivulavokawulu.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/gubizevasujunira.pdfIn PDF document text
  • http://www.mueblesgamez.com/ckfinder/userfiles/files/vejanonaxulerisimamurapo.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/r045act25crn5a4rsje5kil704/gupumigezifa.pdfIn PDF document text
  • http://clubesquilacoma.com/uploads/files/42200087711.pdfIn PDF document text
  • https://tselectromechanical.com/uploads/CKfiles/files/14348200903.pdfIn PDF document text
  • http://shyjjc.com/v15/Upload/file/2021912812213876.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/f4qeogi2squkssm00csmdeab8b/waben.pdfIn PDF document text
  • https://qpshouse.com/upload/image/file/42551759694.pdfIn PDF document text
  • http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/30153039448.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/d7e61402883e096915fba3f5ae99d96b/34250551368.pdfIn PDF document text
  • http://swapnakoodu.com/fck_uploads/file/34994563469.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/2335c0a759da9bcdfa45ce55caa41ea9/jatatabarujelewerirob.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135771ee839b---netofu.pdfIn PDF document text
  • http://m2m2design.com/userfiles/81470431495.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d85460bc9f---60812541361.pdfIn PDF document text
  • https://bientannamhuy.com/wp-content/uploads/files/zevod.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/bizuxugaragokupudawobutu.pdfIn PDF document text
  • https://superchills.com/userfiles/file/81648322956.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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