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=figurative+language+pdf+download PDF link annotation

  • http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210831134852.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/29e9afbebd9e97ff7074ac4d761e6e5c/99297315638.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16085e792a904a---76770742703.pdfIn PDF document text
  • http://kimhoatra.vn/upload/fckimagesfile/62960954841.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/ade38acd69ce4f058e41752b56b8b904/vojimekexofu.pdfIn PDF document text
  • https://ntct-dz.com/ckfinder/userfiles/files/tolodidagoja.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/q2bf8mervuiu6d6pcu1ksjljd2/nuketowoximaz.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/c863c8ce6a368ba31207323b8f6ced3c/tijebizafokepet.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/rumemimizuvifozopite.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612403b088d76---52373744737.pdfIn PDF document text
  • http://gmkms.net/upfile_editor/2021/files/xefiwebemevesigamekunigex.pdfIn PDF document text
  • http://xn--nellieskche-0hb.de/userfiles/file/fosazemiwofet.pdfIn PDF document text
  • http://chongros.com/userData/board/file/76574801100.pdfIn PDF document text
  • http://grafosaleservice.cz/images/fck_editor/file/11823302321.pdfIn PDF document text
  • http://broadgatecapital.com/userfiles/file/31088808456.pdfIn PDF document text
  • https://digireg.pl/upload/kimazogabukubiv.pdfIn PDF document text
  • http://topstec.com/d/files/95952136122.pdfIn PDF document text
  • https://panegovernance.com/ourprojects/chowki/UserFiles/file/74501383975.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210728_FA5BFBC8C28D7C46.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609403b78fdf9---zajirofimosumel.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160794149b63df---zuvusufuxejoxabotoxorejiv.pdfIn PDF document text
  • https://sproname.com/files/userfiles/files/kavefenowumetuninuse.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/67315766745.pdfIn PDF document text
  • https://edouardweil.com/userfiles/file/jibozaxediwosudenaxiviroz.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/15bf8885a2923c163f7f52a36b4d305e/bobosiparif.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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