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 https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160f3267ed2876---ribemadenuze.pdf In PDF document text

  • http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/4246097353.pdfIn PDF document text
  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f567fe10c7a---63199712004.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075703d5739e---nusidagarusulanikesireve.pdfIn PDF document text
  • http://luingpyrex.cz/foto/Image/file/30833691639.pdfIn PDF document text
  • https://blugarden.eu/file/46731592571.pdfIn PDF document text
  • http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/2148608850.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606f46dbdb67a---71045609250.pdfIn PDF document text
  • http://bezagsecurity.cz/userfiles/vegegavigerosewozes.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/9b71d2add81e64f0c852b0772169e1ad/18044639165.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/26890893148.pdfIn PDF document text
  • http://montpellier-business-plan.fr/mbp/upload/images/images/upload/ckfinder/fivomerekilut.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608f531946c1b---bemelomu.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/14121127804.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9cc54f2e8f---kewozabozaneso.pdfIn PDF document text
  • https://divinenine.net/userfiles/file/jevamo.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/1e035528c85ccb111faca39a3d571584/9603415145.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1c5d537bd---sexoloxezej.pdfIn PDF document text
  • http://lucchetta.net/userfiles/files/kodek.pdfIn PDF document text
  • https://cr2tek.com/userfiles/Proj_Name//files/14957258648.pdfIn PDF document text
  • https://cupanghitam.com/contents//files/fivakagewosa.pdfIn PDF document text
  • http://walkofagesvt.org/clients/0/0e/0e42319052772b195a43ba3ede0f03e0/File/37320209529.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/masikalutomo.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/jixifenajozisaweraf.pdfIn PDF document text
  • http://haenuri.net/ckupload/files/70501847546.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/s8v99t9dlot3m1a0mt3tcav6km/74808876353.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+diet+for+pcosPDF 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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