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
• 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://medvor.ru/uplcv?utm_term=liquefied+natural+gas+pdf+free PDF link annotation

  • http://beijingxinzhi.com/userfiles/file/20210523134500_570042817.pdfIn PDF document text
  • http://qdcmd.com/data/files/62107664683.pdfIn PDF document text
  • https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/njpq3dadffnvhed5cms3vl2vug/18122939479.pdfIn PDF document text
  • http://xhiehchin.com/Xhieh_News/_file/nefofexibuvokawe.pdfIn macro / runtime command snippet
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/ad71262d83e89800796cc3e7c13cb3e2/23292096671.pdfIn PDF document text
  • http://directartdeal.com/uploaded_files/userfiles/files/46508604081.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/zidofilatajagosatetupa.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/26589139451.pdfIn PDF document text
  • http://thehigh86.com/clients/13680/File/15819742435.pdfIn PDF document text
  • https://xtrafitcoaching.com/www/images/files/webujo.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1a6fbb8246---memazakole.pdfIn PDF document text
  • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3d4b1517a0---90246518654.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16096765fdff05---pawopadigojovukofug.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f012a529a6b---zogajesevigoluz.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/43654104865.pdfIn PDF document text
  • https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/cf16b4f7afa221803b66c22a500da4f1/87552708788.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/9883fa278658c2131efa0e4fc48fd14c/jujurozivas.pdfIn PDF document text
  • https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba845feeb62---85485409523.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/86315069005.pdfIn PDF document text
  • https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/ffadp59c71mcqrahsv3vccufb8/kemuvevafo.pdfIn PDF document text
  • https://concertwristband.com/resimler/files/13978126871.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/e026cac009d4d267f6022f36a1c0b78d/gobiwazebi.pdfIn PDF document text
  • https://askisan.com/upload/ckfinder/files/ralulotiviki.pdfIn PDF document text
  • http://lecostationery.com/files/file/12384500146.pdfIn PDF document text
  • https://www.asahinadigitaIn 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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