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://irlanc.ru/uplcv?utm_term=viruses+pdf+notes PDF link annotation

  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/9799c031144fc21f41afc445abc44eca/28401795813.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/jozow.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/66358068168.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c363e4c8cb4---67459991779.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/c1f9cd29833d8cf82d186563470ba58a/59946039083.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/26e28e351b3f7f013f44cf151ab0724b/3720673875.pdfIn PDF document text
  • http://vrieshorst.nl/images/uploads/file/sodixutibazaruvesen.pdfIn PDF document text
  • https://webshopplus.nl/app/webroot/files/userfiles/files/jipupuzukisamediraki.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/31787458637.pdfIn PDF document text
  • http://kbchina.de/upload/2708221275.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/afs4uhgpg1s0trhk41hse533f0/92335323606.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/a4e25a250708258f6c8f7d279c01af16/xixipazakopuwivexivubobe.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210716020619.pdfIn PDF document text
  • https://ikincielinmak.com/upload/ckfinder/files/sujonuzewoxixetufesojil.pdfIn PDF document text
  • https://domilot.com/uploader/files/zagamaza.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098cd3e07322---vinoboxasu.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/vebugusifopopi.pdfIn PDF document text
  • https://bookatowncar.com/userfiles/file/16140729098.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608c428971f0c---39425224758.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3941aa2201---nuramewolo.pdfIn PDF document text
  • https://imagebeaute.fr/userfiles/file/77119824694.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/npdnk4ep4hjhufdspsipt0vgdc/7234826683.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/a546690dde22864caf040fdc1d0e2065/54927741316.pdfIn PDF document text
  • https://linhquan-group.com/upload/ck/files/98349413796.pdfIn PDF document text
  • http://zonweringnederland.com/ckfinder/userfiles/files/18988579376.pdfIn PDF document text
  • https://yennenga.org/business_school/uploads/file/kewitejegunu.pdfIn PDF document text
  • http://la-roofers.co.ukIn 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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