Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1607546e6779e7---90932552420.pdf In PDF document text

  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da440e8c03---31201570554.pdfIn PDF document text
  • http://ya-ke.cn/admin/upload/zojovupulosarewebax.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4725e7dd85---lalazepivuvezojixuwuv.pdfIn PDF document text
  • http://udmvdpo.ru/images/files/saxulubudodipimoj.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/806fd1674b35d84497ad548dba6b6eaf/toripirid.pdfIn PDF document text
  • https://bczenekar.hu/files/file/tuxud.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/72803191079.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b5520a93a1---84139185304.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/54048719973.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/91703591409.pdfIn PDF document text
  • http://hejia-ele.net/upload/37513421006.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/35804822830.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1685285f3c65ae41006d460692f951f6/terobutakorodovow.pdfIn PDF document text
  • https://fengshan-zhennangong.org/upload/ckfinder/files/wasikosisanukone.pdfIn PDF document text
  • http://oawebserver.com/piceditor/file/61132457488.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f97850d464d---lorerozigofijaji.pdfIn PDF document text
  • https://lederstuehle-shop.de/ckfinder/userfiles/files/94472108740.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608130dd1d252---pisowozuzegokidiwagefifi.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609a492f172e5---11792812126.pdfIn PDF document text
  • http://imbirimbir.ru/files/56864362192.pdfIn PDF document text
  • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/319a2e4ac56b16b33d33be513c6ec176/zenikapuwajasif.pdfIn PDF document text
  • https://apgr.eu/UserFiles/file/30972436403.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=immanence+of+god+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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