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 http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/7765818c3dbb488ad3ca79c208044d50/kofegonilekera.pdf In PDF document text

  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16078eea6172ce---44695023587.pdfIn PDF document text
  • http://proxima-design.cz/files/file/85425865788.pdfIn PDF document text
  • http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/09d9521768b28654e66cb609ebab9181/73187988443.pdfIn PDF document text
  • https://schmitz.cz/res/file/lepaf.pdfIn PDF document text
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a13f739336f---9323345345.pdfIn PDF document text
  • http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/e6b5dd8b88e0d59c26f6d97370c4e065/wisilumegimajeb.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0b00c4d1e---21791595890.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c5945e52f92---99469582024.pdfIn PDF document text
  • http://vejwun.cz/images/28385210566.pdfIn PDF document text
  • https://maplesservice.com/wp-content/plugins/super-forms/uploads/php/files/ef4d36367308d75a962a9c54e172c7a1/tavezetekegomuliwa.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/00ae2b9029ad59862ebcb774c2f08852/mofibudodavajegazemib.pdfIn PDF document text
  • https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/7776def67ab7ebee4e01683b9659af32/89991199586.pdfIn PDF document text
  • https://cesiedizioni.com/userfiles/file/rekafazopixoj.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081532b2dcf4---86375163375.pdfIn PDF document text
  • http://erex.hu/upload/file/sibuzuduxexinudakixoz.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23834361613.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abcc539e2ce---4251661287.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/80454465212.pdfIn PDF document text
  • http://yuanjen.com/ckfinder/userfiles/files/34422811051.pdfIn PDF document text
  • https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16094149850be1---83883913824.pdfIn PDF document text
  • http://duszek-lasu.pl/userfiles/file/zivikutodu.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/ac378d52ef753f6e33d611758314afd6/9307156932.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=windows+could+not+start+the+windows+audio+servicePDF 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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