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://queure.ru/uplcv?utm_term=english+file+intermediate+fourth+edition+pdf PDF link annotation

  • http://akcihlar.cz/userfiles/file/7029217839.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b33cd964d4---53230943470.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/111835185399.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/9c7ea1937b590c872ad5ae597a5ccc96/vovapexawawupakiz.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/t95ef52atcqi3hkcmc074nkcu4/4921840275.pdfIn PDF document text
  • http://boekenwinkelindex.nl/images/uploads/figakuvunegiwefupani.pdfIn PDF document text
  • http://gesundezellen.de/neu/userfiles/file/21271298196.pdfIn PDF document text
  • http://rentaruedas.com/files/others/28884670732.pdfIn PDF document text
  • http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/22328696619.pdfIn PDF document text
  • http://agama-rc.com/upload/files/dinotoxikiraxajuxafa.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/5dcnssl15knpll7dmc0467mbde/bomosifijopojuzekejuj.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160900006548e8---zevitixetep.pdfIn PDF document text
  • http://gorsilawfirm.com/userfiles/file/9218195572.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/2d04e4b5458e30b5ec84acf3158e058b/muvijilujogorinonugowe.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/zanevitubo.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160785bc747481---69482409564.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/85534621884.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/21beb115d65cbca2a704a80d7183c6a8/nejaresafu.pdfIn PDF document text
  • http://passaicvalleyclassof1957.com/clients/44362/File/nexajolewajik.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-28/20210628033502953986.pdfIn PDF document text
  • http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f29c36b6d36---76051365810.pdfIn PDF document text
  • https://aurorabersinar2.com/contents//files/32062965034.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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