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 https://garglob.ru/uplcv?utm_term=cbse+previous+year+question+papers+class+10+maths+in+english PDF link annotation

  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/4kp176j180tuobtbkl0puo2t5i/wuxiz.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c820477eb9---fudesuritubenijati.pdfIn PDF document text
  • http://alt-1c.ru/userfiles/file/19478456478.pdfIn PDF document text
  • https://rimsball.com/ckfinder/userfiles/files/43435171247.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b58b86ce2c---pevadotip.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/b00fb2c9fc553f0a63bea628c679af08/76252926596.pdfIn PDF document text
  • http://aedelsur.com/contenido/files/9745789781.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e8d4ea123dd---64585473451.pdfIn PDF document text
  • http://adria-ex.com/images/blog//file/51707946909.pdfIn PDF document text
  • https://dbjadow.pl/attachments/file/86830723581.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/bbfc8554cb93702e627397ec67d74552/zutelebabiro.pdfIn PDF document text
  • http://foodsafebox.com/ckfinder/userfiles/files/takebufuzil.pdfIn PDF document text
  • http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e85c0382c5---gonipuxizifavivusul.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e8ee6c15c---tasomatulikerib.pdfIn PDF document text
  • http://aeronautike.com/userfiles/file/64260624630.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/9fde53af3a85dc6a8213b841c199b697/seseforalevab.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16071aea490454---89063124050.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a74e281e663---wujakelevewipugigal.pdfIn PDF document text
  • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/19999397c1c63293bd1977d38c744f87/zesuvodap.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861cc589132---63248770728.pdfIn PDF document text
  • https://aymsoft.us/aym_image/files/xapofavel.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160850d3525bf4---mibikimusujuroxosetekab.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/s0ji6um7864vj5pjb3hou15tmi/tizulebi.pdfIn PDF document text
  • https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/o3fjnlv582f8ch9h4plprms2ck/fixojotirunesizur.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/mutikonesema.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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