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://soechi.com/userfiles/file/dowisivubumutemirukurasog.pdf In PDF document text

  • http://gesht.ru/admin/ckfinder/userfiles/files/divekolog.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/marakoximozon.pdfIn PDF document text
  • https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/os804k9qob1j7ldj1lgi8fonq9/niram.pdfIn PDF document text
  • http://www.startservis.sk/novy/ckfinder/userfiles/files/83634256633.pdfIn PDF document text
  • http://alkanboya.com/files/file///26223341206.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9141d87a6---fitibeb.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/f1adeed02a5d7f7f1b4f6346aa41c06a/pukeruxaw.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/7c795b049ad0b2afeebce9bd88c793a9/41651726668.pdfIn PDF document text
  • https://unserbiokorb.ch/userfiles/file/zobidofeg.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/86hrn3ofrpr34l41tccmdtpbji/97479950186.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/file/80505580836.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/lesodubila.pdfIn macro / runtime command snippet
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/bplidevajqhnlm54u98hnr8jor/sawatupoxujimamiru.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0684be035---darijumoboketadufipakuvu.pdfIn PDF document text
  • https://safecampus.in/cmsCart//upload/file/70624519626.pdfIn PDF document text
  • http://henri-ruch.ch/doc_pub/file/zifebanitokureg.pdfIn PDF document text
  • http://miskolciharsona.hu/pictures/file/jolugofubez.pdfIn PDF document text
  • http://autoscuolecasetta.it/userfiles/files/38337567027.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/f72992f8751da6217170db5c36e4e0cd/gawadimukifokox.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb153c7ec23---99011862513.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e40dd78602---78576101372.pdfIn PDF document text
  • http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/98473275089.pdfIn PDF document text
  • http://polaryachts.com/res/wysiwyg/In macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=subtraction+without+regrouping+using+base+ten+blocks+worksheetPDF 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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