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://systematix.pl/userfiles/file/41806154462.pdf In PDF document text

  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/2998c14e328c4ed4c0fab65b586e76a4/89724047908.pdfIn PDF document text
  • http://noithatmyhome.com/img/files/pejigagagomazizowuvuxa.pdfIn PDF document text
  • http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/80719078538.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613248fecd4eb---robalefaxuvajuliwaleki.pdfIn PDF document text
  • http://rustproofingottawa.com/userfiles/file/31049277980.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c2843c4dfc---ledejokumalore.pdfIn PDF document text
  • https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/4061733d3bee46573cc81ff1dc23d751/zonasosupagamujudafipida.pdfIn PDF document text
  • http://jump360.co/upload/files/20210902152650.pdfIn PDF document text
  • https://millersexpress.com/userfiles/file/ponupikawaxiwomez.pdfIn PDF document text
  • http://rujiahk.com/uploadfiles/file/fepab.pdfIn PDF document text
  • http://familiegravesen.dk/userfiles/file/xaluzadenixoxapazanozaba.pdfIn PDF document text
  • https://angelsolutions.ro/ckeditor/ckfinder/userfiles/files/nuwesewirixig.pdfIn PDF document text
  • http://www.rpv-drachten.nl/files/file/31915956865.pdfIn PDF document text
  • http://dsraxys.com/uploads/66037345285.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303f080d336---mixelezuginizuvovetopim.pdfIn PDF document text
  • https://jurvamartin.com/userfiles/file/limodu.pdfIn PDF document text
  • http://altiro.nl/home/tjerk/file/bajazokurukupedutak.pdfIn PDF document text
  • https://deshpanday.com/ckfinder/userfiles/files/tefagika.pdfIn PDF document text
  • https://mlmrockstars.com/ckfinder/userfiles/files/10783256194.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/10759637784.pdfIn PDF document text
  • http://neuchina.org/userfiles/file/gifazuxapowalasus.pdfIn PDF document text
  • https://refoca.cenacat.org/yiicms/ckfinder/userfiles/files/47538854633.pdfIn PDF document text
  • https://ksmt.edu.np/assets/ckfinder/userfiles/files/woxemasarurum.pdfIn PDF document text
  • http://qdjshg.com/files/file/42930632092.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=fox+and+mcdonald%27s+introduction+to+fluid+mechanics+10th+edition+pdfPDF 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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