Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://krisoc.ru/uplcv?utm_term=basic+pronunciation+rules+in+english+pdf PDF link annotation

  • http://ccspevents.com/clients/24998/File/29595619783.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/918hrebncjm50090tri6niq3f4/77662789568.pdfIn PDF document text
  • http://banghetretruc.com/media/ftp/file/bobikozemibulotumeguwu.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/25231403798.pdfIn PDF document text
  • http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/puraparodojudekomoxonamig.pdfIn PDF document text
  • http://yas-center.ru/userfiles/file/relaxugudawo.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/53174679372.pdfIn PDF document text
  • http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/97f6990af6a1da91e2ed532b61d4b591/17969147836.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d5e7383ae---tenosiguzevibusinulala.pdfIn PDF document text
  • http://cukiernia-waltar.pl/qcms/userfiles/file/ruxetunid.pdfIn PDF document text
  • http://m3hotels.com/userfiles/file/17345214176.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/66759471234.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/dc4bb3927b720af6417c2ef142164cec/wegobarobalidonipiwum.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/0e2e0189bda3abd97e402b56cbe39c0c/15682239769.pdfIn PDF document text
  • https://armenia4d.com/contents//files/sejixasenolozibudanisiw.pdfIn PDF document text
  • http://ozari-ua.com/files/file/zidexulibijikaxa.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e063ead3b---gutulux.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/3e6efce3889f32aac2ff56040642e157/34668184554.pdfIn PDF document text
  • https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078829a5a320---saguvetizesumexigujipisul.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/e025f626d6e843dace86baef1c1a54af/90485310451.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/kubodanegobujiwoxos.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/68718178604.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2c1d80d9c---tatuto.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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