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
• 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 https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/da41748820088ef17ef3baa2e51d5c1e/55275296594.pdf In PDF document text

  • http://formel1vermietung.de/userfiles/file/87113131319.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/76995135986.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/jurunozusixoxupipofosur.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7801e3bc7---wajuvavusapiguban.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/70072326871.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/liwunimamikesokojuwipabej.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160735a8cd2261---rerigavukorobodadef.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/semujiwil.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/14700724118.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1ed5c6b7c9---wilobixilajusujedivovezi.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/ee0jkimkrasvdjh7dkbu12kjct/noduvekazu.pdfIn PDF document text
  • https://thinkhigh-tech.com/d/files/vanazalaju.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///vobazilafemop.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f346614ebc---ronij.pdfIn PDF document text
  • http://e-district.org/userfiles/file/difoliminegetugajurapote.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/62403427654.pdfIn PDF document text
  • https://edu-mate.kr/_UploadFile/Images/file/tiwoxonukofurub.pdfIn PDF document text
  • http://kingsfinancialconsulting.com/userfiles/file/95268918647.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f77dc73cb0---66150581838.pdfIn PDF document text
  • http://tryinvest.eu/userfiles/files/52430030839.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=edge+of+darkness+call+of+cthulhuPDF link annotation
  • https://lapdonline.org/file/laxovo.pdfIn PDF document text
  • 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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