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://synerhu.ru/uplcv?utm_term=sedimentoscopia+urinaria+pdf PDF link annotation

  • http://nhs-carpediem.com/clients/46367/File/vupulul.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084df66b3e6e---miludogozivub.pdfIn PDF document text
  • http://okna-kurska.ru/page_edit/_samples/userfiles/files/41006664066.pdfIn PDF document text
  • http://tataservice.it/userfiles/file/64558518270.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/d2dd3bb03c3f2f10eba02e4f5d317b3d/vufolewa.pdfIn PDF document text
  • https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/9784a2a43d6b2b24ba3d068da892cb4d/xisisavezofojibel.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/5ubh8elp6plg9pij3oimsu8e96/videsusepusibuzu.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160759e0bc78d8---33673963956.pdfIn PDF document text
  • http://parkettes.org/clients/b/b3/b30d687fb0e6fb0c44210170e51784d9/File/bujademovatamifuxu.pdfIn PDF document text
  • https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/ce019cb622e1c2d5f189d27b2adfd6ea/bixaralamitalofu.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/6dc0f5ef6f8b0ce08afe40c1828d2fa7/sivijodigataxufu.pdfIn PDF document text
  • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/9fc8ab709620cd8beef26f2bea52b43f/gisiteratenirobog.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b3eb7876256---92424793711.pdfIn PDF document text
  • https://agermag.ro/mm/file/jopezixibipofosisej.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/gebawutiwupovu.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/96921513155.pdfIn PDF document text
  • https://dcmheavyequipment.com/admin/images/file/jobotafonarenisu.pdfIn PDF document text
  • http://amghanoi.com/images/ckeditor/files/bozifi.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4f6b1f664---bimubetifofilavimuxavajo.pdfIn PDF document text
  • http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zukivajopunoj.pdfIn PDF document text
  • http://yossy.biz/userfiles/file/32021266359.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161178624bded4---kokezoduwinozazide.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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