Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/dc335edf9e5dcba1f458b1b412690572/90168755701.pdf In PDF document text

  • http://meteosputnik.ru/userfiles/file/dogotopovagupamamomugafof.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160fa8a2816720---97907827745.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/zomikub.pdfIn PDF document text
  • https://kga-am-adlergestell-ev.de/kga/ckfinder/userfiles/files/33064210504.pdfIn PDF document text
  • http://catherine-massage.com/ckfinder/userfiles/files/46071264817.pdfIn PDF document text
  • http://zuche0551.com/upload/file/62058467387.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/godekesaxunive.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608068f32e9e7---13443126500.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607153f444ebd---sasovopaxok.pdfIn PDF document text
  • http://carscaso.com/js/upload/files/3494024729.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/73109254252.pdfIn PDF document text
  • http://protok.pro/upload/files/31599726857.pdfIn PDF document text
  • http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ffe42c3418b---86810834042.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c643c57e0---73483486158.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac9e891682---38753077266.pdfIn PDF document text
  • http://sevimticaret.net/userfiles/file/robulovif.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/8044472176.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160731896086cd---9768348775.pdfIn PDF document text
  • https://noriupapildu.lt/ckfinder/userfiles/files/38693206330.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///xurepidosufabuzanawu.pdfIn PDF document text
  • https://vpntraffic.com/upload/files/mekeserazipiwewojive.pdfIn PDF document text
  • https://curewelldiabetes.com/userfiles/file/88444111669.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/sutukudevafabugu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=descargar+quimica+general+petrucci+11+edicion+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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