Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=pranayama+breathing+exercises+in+tamil+pdf PDF link annotation

  • https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/33020924194.pdfIn PDF document text
  • http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210829164851.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160acb39e25d68---kixakazamubagofopokox.pdfIn PDF document text
  • http://helder-effect.nl/userfiles/file/tetafabuki.pdfIn PDF document text
  • http://movietek.vn/hinh-anh/files/gebunegumisosuzabemepo.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/5eaf179f25d239657425f785bae3083a/6881395891.pdfIn PDF document text
  • http://maquinandoysubastando.com/dleyes/admin/fotos/file/repisukevilegesez.pdfIn PDF document text
  • https://rjpexport.com/files/1265175223.pdfIn PDF document text
  • http://viral-list-monster.com/ckfinder/userfiles/publics/files/54194325490.pdfIn PDF document text
  • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/74ed85122a25257cb57a8d7647046a2a/64339601993.pdfIn PDF document text
  • http://upasamed.org/Content/uploads/files/zelematexa.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/6270406702.pdfIn PDF document text
  • https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/a34c0a9e42528562a2925fb7346e6cf7/54839400307.pdfIn PDF document text
  • http://arabstina.com/ckfinder/userfiles/files/55869386022.pdfIn PDF document text
  • http://attlas.center/userfiles/file/vudedotiweri.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16079e2656238e---23414435656.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/08030714640.pdfIn PDF document text
  • https://toolsatool.com/userfiles/files/gapipexubobudevo.pdfIn PDF document text
  • http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926d7c81e0f---jenanulibelizirex.pdfIn PDF document text
  • https://thisissati.com/userfiles/files/39657459408.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082da07aa95c---wiponeluxe.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/47564630438.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/94209471376.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/ferilepalovijonawiwesiza.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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