Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://jcsh.bluezp.com/ckfinder/userfiles/files/bilitefavas.pdf In PDF document text

  • https://livbiopharma.com/userfiles/file/87029086502.pdfIn PDF document text
  • http://lnhaihui.com/userfiles/file/20210904165810_362498290.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/u761l4cdao5fseiotkqimpf4b0/nidejajetezewuzomujav.pdfIn PDF document text
  • http://saimiri.name/upload/file/2317981503.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/lowujukufuza.pdfIn PDF document text
  • http://sk-massimo.com/js/upload/files/47543869249.pdfIn PDF document text
  • http://topbuild.net/content/xuploadimages/file/62917793023.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/jorurog.pdfIn PDF document text
  • http://onlinepravenconsultant.com/uploads/wysiwyg/files/75585566715.pdfIn PDF document text
  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613d437be6d6c---11245026182.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148ce463af65---lodim.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/7078940666.pdfIn PDF document text
  • https://daqing-jewelry.com/uploads/files/202109022322025839.pdfIn PDF document text
  • http://pro-customer.de/userfiles/file/rinifudapav.pdfIn PDF document text
  • http://qdcmd.com/data/files/menefebuder.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/67656502371.pdfIn PDF document text
  • https://milorem-service.ru/userfiles/file/30624151057.pdfIn macro / runtime command snippet
  • http://vinag7furniture.com/app/webroot/files/editor_upload/files/wogewemerurijad.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1615444c9f0268---71844125271.pdfIn PDF document text
  • https://affze.com/userfiles/file/13849535443.pdfIn PDF document text
  • http://american-security-inc.com/assets/ckfinder/userfiles/files/bemopuxipubunuf.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153f3d68df18---28551123010.pdfIn PDF document text
  • https://penzion-palice.cz/content/mojatinutibidebeletadi.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/82646843521.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/tidevasodanez.pdfIn PDF document text
  • http://mingmitrcoffee.comIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=queen+of+the+ring+watch+onlinePDF link annotation
  • 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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