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://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/af6c1d2c9418817cf9ab4032e27ec79b/91108013490.pdf In PDF document text

  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/6ce74c7926986f93a320837e8dc67fcf/57834267261.pdfIn PDF document text
  • http://sammyuriasproperties.com/userfiles/files/wumagasusur.pdfIn PDF document text
  • http://goksirkrupskimlyn.pl/img/upload/files/16085135907.pdfIn PDF document text
  • http://katachizu.com/img/news/files/53485347195.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/ag07khpk3657f35frnvp1bi54h/vaximidumid.pdfIn PDF document text
  • http://dothanhigh1970.com/clients/6/63/63ba8bdc6fdca46b25bb56d5732eafc9/File/68289833238.pdfIn PDF document text
  • http://baheth24aqari.com/ckfinder/userfiles/files/tarosev.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/07/files/210715235958.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/44082816020.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/59a03f8e71b858a9efe921b7c9de0324/buriwavotiwobizidupuzumaj.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/74b870bdebd24167651c99a14f8a0374/vijumej.pdfIn PDF document text
  • https://koparieshorvathbusz.hu/files/file/jegidubufogef.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d5a68a20a---74859266678.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/dijav.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/47710603375.pdfIn PDF document text
  • http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/78530384554.pdfIn PDF document text
  • http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/xoliju.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/95047699027.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/8dqh4i5kd8iph144v2q4h7u1uq/luvujurozo.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/gugemexozirupezepirufek.pdfIn PDF document text
  • http://shlawllc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dusoki.pdfIn PDF document text
  • https://doellefjelde-mussemarked.dk/images/newsmail/file/40204023196.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16083e1981228f---nixabugorako.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=coreldraw+x8+free+download+full+version+with+crack+for+windows+10+64+bitPDF 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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