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://crysiq.ru/uplcv?utm_term=gta+v+online+money+generator+no+verification PDF link annotation

  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135826c79277---soturud.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140ddc62a1a7---nukiveb.pdfIn PDF document text
  • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139c5a128e27---34735748248.pdfIn PDF document text
  • https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/b72cbf2e9f5aec52c1c151779f2f0ffc/90301423220.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/143749941361321c5a22887.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16136ec77d0f45---dizoligatotodabugapig.pdfIn PDF document text
  • http://refah4ter.info/basefile/hotelrefah4terir/files/revitogugojan.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/fuduwumedinudasizuridun.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1282d4737---banuge.pdfIn PDF document text
  • http://linker-apps.com/files/damezuxikobilaxule.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/zipapibugenesepanidojuse.pdfIn PDF document text
  • https://dukra.sk/editor_uploads/files/35262686238.pdfIn PDF document text
  • http://www.radeton-cz.vasestranky.cz/ckfinder/userfiles/files/wikalulinovubozekufanoze.pdfIn PDF document text
  • http://aristosaigonhotel.vn/uploads/files/jimoruvabotudamerotuxoxuv.pdfIn PDF document text
  • http://managhantasala.net/mailuserfiles/file/malagigupegawof.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/2321338014.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16136c903019aa---10929521116.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/baxen.pdfIn macro / runtime command snippet
  • http://kieryk.pl/img/userfiles/file/dapotawusazibo.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612f01f8b601f---44299373290.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/9e6ecbd328d4bd737c35f4a2edcce15a/83578559393.pdfIn PDF document text
  • http://herium.net/FileData/ckfinder/files/20210911_8D1CC6D90BB83DF6.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/78071219669.pdfIn PDF document text
  • http://hnfhdc.com/UpLoadFile/2021090808124074836.pdfIn PDF document text
  • https://www.lumisolar.peIn 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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