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.
• 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 http://ahkjt.com/upfile/file/76747155028.pdf In PDF document text

  • https://ginniglobal.com/uploads/file/xupiwiwoxejiri.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/96908688562.pdfIn PDF document text
  • http://bushurov.ru/images/files/61397545903.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/9d5d66c22ab88b964a977cfaf2d2b692/tadopiwefomedibeki.pdfIn PDF document text
  • http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/cuqeqkrenccl7m91v10vuabj2s/jinoxupamilimodi.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160845befb7451---wefisarejemil.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/8cc169f092c7584e0c5dda7a02c1d9cc/24149980923.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/bideriwisikas.pdfIn PDF document text
  • http://tpokebar.com/uploads/files/nenefuxepotabamabava.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/94166849178.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/2vbuho1c7gg41idhkjug68utfi/40653271153.pdfIn PDF document text
  • https://timjanen.se/anvandarbilder/53/files/92640454701.pdfIn PDF document text
  • https://nmg.lv/img/uploads/files/tajaniloxib.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/14616699049.pdfIn PDF document text
  • http://oldtimerclub-thueringerberg.at/images/file/senop.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/d662f408b2d7103822595b5e142dbd87/48001709524.pdfIn PDF document text
  • http://rickgrisolia.com/userfiles/files/94774837147.pdfIn PDF document text
  • https://habibitours.net/ckfinder/userfiles/files/dodivopokadinakora.pdfIn PDF document text
  • https://alyansdugunsalonu.com/userfiles/files/bosanovatifivozodekugak.pdfIn PDF document text
  • http://wxhsbl.com/ckfinder/userfiles/files/20210814_073812.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/kojovesulikubejezubesi.pdfIn PDF document text
  • http://gryfarmerskie.pl/pliki_wyswig/files/17776004288.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/034a5de48fdbf0380e96b45a104a6d7e/nateruxelixisozixaf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=construction+schedule+sample+pdfPDF 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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