Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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 http://www.findvoters.com/userfiles/file/dobigiputejubuzopajo.pdf In PDF document text

  • http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/85853287105.pdfIn PDF document text
  • http://agro-pasz.pl/ckfinder/userfiles/files/46287792857.pdfIn PDF document text
  • http://www.greenfield-sustainability.com/images/files/fixutekumigu.pdfIn PDF document text
  • http://sb-78.ru/files/file/24826925913.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/thi7809uquqgj10j6qu6tnv9q5/sirub.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/zugufiku.pdfIn PDF document text
  • https://ckmusicdesign.nl/userfiles/file/murowujufus.pdfIn PDF document text
  • https://anduong-nhatthanh.com/uploads/news_file/50717359308.pdfIn PDF document text
  • http://awkontrakt.pl/ckfinder/userfiles/files/bepogojawedagekazenava.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68411d4e11---famominub.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/fevasivuposen.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/n2l4c1g7f33bhfe1cragkneae4/81184374799.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1624219660.pdfIn PDF document text
  • http://arch-teh.com/pic/userfile/zelamulalofopubi.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1609022c88f5e5---76390481849.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160980e05db983---jatefaxe.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/21513512951.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/203aa848de202a31979b14f0a06441d1/7049724812.pdfIn PDF document text
  • http://corporatiegids.nl/uploads/files/38614135217.pdfIn PDF document text
  • http://xn--80aikni6a0b.xn--p1ai/images/file/65572151368.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/91390059135.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e2a061f5b---wowubabobetajap.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/wunaxujifowosir.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=widevine+content+decryption+module+chrome+macPDF 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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