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 http://kcntanduc.vn/img_duhoc/files/62194715760.pdf In PDF document text

  • https://healthlantern.com/ckeditor/ckfinder/userfiles/files/mosajipovebusasunud.pdfIn PDF document text
  • https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/0e4cd5445db27a5cea9c63a4efd64e35/deguvik.pdfIn PDF document text
  • http://dekobonner.de/userfiles/file/zadasobukukijexubi.pdfIn PDF document text
  • https://csmgh.net/pevron/www/img/file/derugaxajepofa.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/14242268080.pdfIn PDF document text
  • http://haki.vn/uploads/files/losajudogafow.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614015ee15a6f---173731710.pdfIn PDF document text
  • http://waxiangyuan.com/upload_fck/file/2021-9-5/20210905082321476931.pdfIn PDF document text
  • http://tieulongcopro.com/luutru/files/xoxojesok.pdfIn PDF document text
  • https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613102aa1c43b---96395640535.pdfIn PDF document text
  • https://sikahaiphong.com/images/news/files/31298933420.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5fdf93841---31569840903.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408c8b1b23a---8396254889.pdfIn PDF document text
  • https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/8c35bfb7012b9b08c7ef9745b49a0f9c/77204939775.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/82902882492.pdfIn PDF document text
  • https://centrumschoolka.pl/photos/file/4149103512.pdfIn PDF document text
  • http://ninda.vn/userfiles/files/mudinowixepe.pdfIn PDF document text
  • http://bkdesign.ee/userfiles/file/zejefumuvikumazivot.pdfIn PDF document text
  • http://nincity.de/inline/file/86940363283.pdfIn PDF document text
  • http://alliance-ic.ru/uploads/file/33906453294.pdfIn PDF document text
  • http://pazarziraat.com/userfiles/file/68974693938.pdfIn PDF document text
  • https://notarbrazda.cz/userfiles/file/In PDF document text
  • https://sukaunited4d.vip/contents/files/96268467161.pdfIn PDF document text
  • https://happyjourney.webtrails.in/ckfinder/userfiles/files/latemekimesisuj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=download+redtube+apkPDF link annotation
  • 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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