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://medvor.ru/uplcv?utm_term=block+craft+3d+mod+apk+hack PDF link annotation

  • https://tavcam.com/upload/ckfinder/files/41526586304.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb4fa460ba---66073516732.pdfIn PDF document text
  • http://zhouzhuanx.com/v15/Upload/file/2021911049154455.pdfIn PDF document text
  • https://www.elshandmadedesign.nl/ckfinder/userfiles/files/91541768570.pdfIn PDF document text
  • https://nezrenpin.com/calisma2/files/uploads/65775591101.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16134af5c93bb0---zorepezogo.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/c9e5e3cdd40b993dd15e8abeab1fa2a0/12326989317.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/mhfttjaji8d322djqj4g23po6t/78336369852.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/12ad28b481713ff4e399653c9eafb825/jedafabozizevasok.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210918061410.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/55534852499.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa85af2df7---basolulebitijededovul.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613efa4105886---30645355907.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/kituxudusunibaduxovivu.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/siff7l7gfgpclrbk693am87tc6/12538760552.pdfIn PDF document text
  • http://blfimmobiliare.com/userfiles/files/15080525121.pdfIn PDF document text
  • https://perfectprojects.ro/userfiles/file/xolij.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139866b8a526---64143875667.pdfIn PDF document text
  • http://simkoongschool.com/uploads/editer/files/jowadiwokodanegikizugobug.pdfIn PDF document text
  • http://xn--49s538bo8ux8c.net/userfiles/file/ronuwefelidisajarotuke.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210915220059082.pdfIn PDF document text
  • http://aven.su/userfiles/file/34922477887.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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