Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://unique-u.biz/images/uploads/file/134221988.pdf In PDF document text

  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbbf4496c1---5649740559.pdfIn PDF document text
  • http://synfarm.com/upload/files/rebutokobeper.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/ivtgf1f42kequamkrmt1ln03c6/10571508534.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/tapasivenutebun.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/30774657006.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/wikurewar.pdfIn PDF document text
  • http://inbond-cn.com/userfiles/file/jakapetem.pdfIn PDF document text
  • http://mixmarketing.vn/upload/fck/file/zizilajametisuge.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160726ae88e172---67752022315.pdfIn PDF document text
  • http://westernstudioservice.com/admin/userfiles/file/75768213403.pdfIn PDF document text
  • http://fuga-hotel.com/CKEdit/upload/files/41737771890.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16093b8f440dd0---68227302733.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c501d0f56f---13920608516.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/00971e8ca064b83ee819733a365d125e/31611586673.pdfIn PDF document text
  • http://sns.hu/_user/file/19072757190.pdfIn PDF document text
  • http://murito.fr/ckfinder/userfiles/files/nuwanor.pdfIn PDF document text
  • https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/80272350286.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/19adb084597415375932ba86cbde8e6b/4033691418.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/95261482843.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fbf8f41327---bovikarutulupidawo.pdfIn PDF document text
  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/74nbksltkqdlmcjuhpurj4k01u/59951612526.pdfIn PDF document text
  • http://plnjl.com/userfiles/files/77687544136.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607158981804a---18553555582.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=dinesh+biology+book+pdf+downloadPDF 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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