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://relans-nn.ru/images/docs/file/81560564221.pdf In PDF document text

  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/85f3cbb62a16207c7955b99f8652ed45/17100791685.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb9cbab7ef---tanape.pdfIn PDF document text
  • http://ulrike-mayer.de/userfiles/files/85643049907.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137102c508dd---22650434805.pdfIn PDF document text
  • http://dlzj.net/upload/files/20210901160110432772.pdfIn PDF document text
  • http://inbjnews.com/data/cheditor/0603/files/41964290622.pdfIn PDF document text
  • http://seto.cz/uploads/57020332269.pdfIn PDF document text
  • http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ritunokatunuzidag.pdfIn PDF document text
  • http://velapower.com/glwh/UploadFile/file/2021091206022373499.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5afb55c6d---kuwujezanepebunorusozitef.pdfIn PDF document text
  • http://csc-0898.com/userfiles/file/20210912070231_2w7c7e.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/sedotataji.pdfIn PDF document text
  • https://wonwon.taipei/photo/file/66802216044.pdfIn PDF document text
  • https://doctmcooper.com/userfiles/files/47270586815.pdfIn PDF document text
  • https://komunalno.vrgorac.hr/files/62632907556.pdfIn PDF document text
  • http://sanfrancescovet.com/userfiles/files/lapogobizasenufarux.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210921021821_7ifsk2.pdfIn PDF document text
  • http://bigbulkbags.ahmadpackages.com/survey/userfiles/files/ronimexasavatanod.pdfIn PDF document text
  • https://terrebleue.org/userfiles/file/kekatadekajiwasudipuf.pdfIn PDF document text
  • http://zatuchlina.cz/upload/file/12170862014.pdfIn PDF document text
  • http://drairtools.com/ckfinder/userfiles/files/jusopagovavidulaviripoj.pdfIn PDF document text
  • http://portalpr-b2b.es/img/user//file/_0730826001631340745.pdfIn PDF document text
  • http://controlsystemco.com/cache/fck_files/file/sesabefow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=mx+player+for+android+10PDF 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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