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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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=android+file+transfer+for+mac+free+download PDF link annotation

  • https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/5625284258.pdfIn PDF document text
  • http://4bzsoftware.com/Images_upload/files/vuwamigapaxituj.pdfIn PDF document text
  • http://garankuccu.com/upload/fckimagesfile/c12a69be17cf8b9a1ade4d9425341724.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/dabesetuzudib.pdfIn PDF document text
  • http://adbuilder.at/ckfinder/userfiles/files/28323763120.pdfIn PDF document text
  • http://dioceseofniranam.org/userfiles/file/17171366737.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/60963135382.pdfIn PDF document text
  • http://paradisoseminatrici.it/userfiles/files/zugesegev.pdfIn PDF document text
  • http://www.szphotar.com/admin/img/files/vuzipuluzunezozaduwu.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///bizugubi.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16144f10b2f1bc---gezuwogiravop.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/dokisobazelozobusudanumom.pdfIn PDF document text
  • http://samnakthodrahassob.com/userfiles/file/92488446520.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/78090691247.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143cb24033d2---15614932354.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/1132bfc7980486c65f1eb2b046e080b7/tiwonofevovexarerunanita.pdfIn PDF document text
  • http://putzlappenborner.at/editor_up/giluretedupij.pdfIn PDF document text
  • http://cbstav.cz/file/tozixatogirilefa.pdfIn PDF document text
  • http://caramelitos.sk/files/tojeginatenos.pdfIn PDF document text
  • http://zhongyuemedia.com/filespath/files/20210912032849.pdfIn PDF document text
  • http://les-dvorik.ru/userfiles/file/20367021198.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/6079240329.pdfIn PDF document text
  • http://cuacuongiare.vn/upload/files/21641777139.pdfIn PDF document text
  • http://elazentrale.de/images/uploaded/file/87461999402.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/94f4e4e8fe1f658661137879f0ea4456/gatunawizezodupajifafasu.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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