Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://oniceh.ru/uplcv?utm_term=android+change+volume+programmatically PDF link annotation

  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/64086719223.pdfIn PDF document text
  • https://ichapps.peaceofworld.com/ichapps/ckeditor-ckfinder-integration/uploads/files/mazutebitefi.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/9hqo7s121hm7vmk5qv4424tsh2/62497431858.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/87894847297.pdfIn PDF document text
  • http://acrclubinversores.com/files/galeria/files/risapamebew.pdfIn PDF document text
  • http://locke-3c.tw/uploads/files/202109021536182643.pdfIn PDF document text
  • https://titishop.co/upload/files/xopenesilebatonibozogalo.pdfIn PDF document text
  • http://bbmpva.nl/fckassets/file/rurajun.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/vuvevedamegokazata.pdfIn PDF document text
  • http://alacartedesign.de/userfiles/file/76351765136.pdfIn PDF document text
  • https://www.htlexpress.com/ckfinder/userfiles/files/matidopetojajifugudoj.pdfIn PDF document text
  • https://windsbs.biz/files/file/38114718600.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/68730744648.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/33506851611.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles/file/kitatekuxu.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16141f1a3cfff5---49404245793.pdfIn macro / runtime command snippet
  • http://husplaza.hu/editor_up/bafojupuvu.pdfIn PDF document text
  • http://www.mmd.ntou.edu.tw/ckfinder/userfiles/files/matozujegirodovifadevokol.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161319f332483d---11122690907.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/93467172202.pdfIn PDF document text
  • http://farmaciafici.com/userfiles/files/viwoguvukeruweralimaveb.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/86025978295.pdfIn PDF document text
  • https://batdongsandothanh.vn/luutru/files/16766801858.pdfIn PDF document text
  • http://fsanaq.com/upload/file/210914014408961002wg91eakernbp.pdfIn PDF document text
  • http://constantcontinuity.com/membership/data/files/36660584140.pdfIn PDF document text
  • https://oreopay58.com/ckfinder/userfiles/files/34637238835.pdfIn PDF document text
  • http://childconnect.comIn macro / runtime command snippet
  • 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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