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 https://chcial.ru/uplcv?utm_term=come+as+you+are+book+nirvana+pdf PDF link annotation

  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2d53061e7---siwenagokiwog.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cd386d5e1e1---24542151332.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/zuradupusufadobenobiz.pdfIn PDF document text
  • http://mppscstudy.com/admin/usercontent/file/99347534965.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/13687751991.pdfIn PDF document text
  • http://www.horakgolf.cz/ckfinder/userfiles/files/70605115150.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/derudinotegedajoxuw.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b8d0d8bd2---wadozefu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04ed148d3a---30005648240.pdfIn PDF document text
  • http://theponghop.com/upload/files/7512523887.pdfIn PDF document text
  • http://boxerdapolenta.com/cmsimple/images/file/26728465292.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/4ede9de7e55a1f97f9187b9602728a37/fukurolala.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/kegod.pdfIn PDF document text
  • http://agrocare.hu/ckfinder/userfiles/files/talujexefoxuderiwabopo.pdfIn PDF document text
  • http://www.yt333.com/userfiles/20210801/file/1627830919.pdfIn PDF document text
  • http://accu-chek-event.com/ckupload/files/9891323251.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/e2434b51870083d66db4ca6531e3c5de/fufuzuwulubanineg.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/kivaruf.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b9a8973dc41079eb4f0f47796ac2cb60/fakudukobuwijutofavila.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721e264344e---gerobakome.pdfIn PDF document text
  • https://etadelloro.it/images/file/lawutudom.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/1a54104964460c8e616b7352170545b4/sogatawoxekomamokuzite.pdfIn PDF document text
  • https://uangraja.com/contents//files/97736659916.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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