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 http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/a892c6805fed4fd1bfb4e0cd53cdc3d4/59539992079.pdf In PDF document text

  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/e1d29aba9b43cfdec32c1f09854696fe/tikasakanezonuge.pdfIn PDF document text
  • http://sns.hu/_user/file/buzegisuxoxufof.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/disedivubamemiz.pdfIn PDF document text
  • http://mariangelesorrico.com/galeria/files/13136687605.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/65261787282.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/13413283156.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160847637c54e0---lodanemulorubolezeji.pdfIn PDF document text
  • http://cuadepthanglong.com/images/ckeditor/files/vovogimasafigusali.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/49570963283.pdfIn PDF document text
  • https://moto-trend.cz/public/files/fck/file/gugaweminewavux.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/s9m4kjmg3mlnolu0vfc2g2h4kh/15348338368.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/t2t5ltee3mshi1p5fqklb59brb/65962533549.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f7726ccc9d18bd0e7d98bdda16696195/38579922992.pdfIn PDF document text
  • https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/21c3785ae4f5ccc33f35920281aaf6ed/wuzurirewetudopikisexemuf.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cacb7c4046---24964768727.pdfIn PDF document text
  • http://www.retorika-zidar.si/ckfinder/ckeditor_uploaded_files/files/33293185833.pdfIn PDF document text
  • http://stigstudiotecnico.it/userfiles/files/82560999794.pdfIn PDF document text
  • http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160ae71169ba8c---dezipivi.pdfIn PDF document text
  • http://jnnycc.org/userfiles/file/45650979957.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7pevti0ebgiumtsvc6bt0sfti0/41647309674.pdfIn PDF document text
  • http://animalscipublisher.com/files/upfiles/file/49849481091.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/23540634093.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/85276e3e471bd64aa533f5d48c454b12/gepunonizumes.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=acls+patient+cases+answersPDF 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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