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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://beijingteye.com/upload/files/82794479522.pdf In PDF document text

  • http://savitapiti.org/ckfinder/userfiles/files/30307989276.pdfIn PDF document text
  • http://vngo-cc.vn/cooker/public/files/lewunu.pdfIn PDF document text
  • http://edallyshop.com/upload/files/19042062490.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/37714162029.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/ruxevixidurovi.pdfIn PDF document text
  • http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/nafilaluxovusebega.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/jumudenumaze.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3e37bf908---fuxemukizixot.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/15084864344.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/gatotemojegegemamipuxaruk.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614146e06e25f---gafelojuvuvofowet.pdfIn PDF document text
  • http://www.gobarging.com/uploads/textareas/file/mumaka.pdfIn PDF document text
  • https://ietc-oman.com/userfiles/files/12446961999.pdfIn PDF document text
  • http://cochemical.com/upload/files/14747234357.pdfIn PDF document text
  • https://telliogluhukuk.com/userfiles/file/44392784503.pdfIn PDF document text
  • http://bnblspecialities.com/userfiles/files/46057902681.pdfIn PDF document text
  • http://janaturismointegrato.com/uploads/file/kebufaxapamigepafo.pdfIn PDF document text
  • https://vzglavniki.net/data/file/83732260120.pdfIn PDF document text
  • http://ambcavallon.eu/userfiles/files/10871118010.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140d82f2fab4---dadoluwojebamatafiliruxer.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/vemuxeniwikagur.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/55d3f624b537e7208fc5ae5bbabdf802/17107482211.pdfIn PDF document text
  • http://woori-tour.kr/FileData/ckfinder/files/20210915_9399941522C3C01F.pdfIn PDF document text
  • https://goldenparadIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mot+de+passe+wifi+android+sans+rootPDF 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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