Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://wastran.ru/uplcv?utm_term=mary+had+a+little+lamb+lyrics+pdf PDF link annotation

  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/6ff93ef11e11146ad77e139ddceddcfb/riwivod.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160dad7502f94e---39974463744.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/13987386727.pdfIn PDF document text
  • https://cecprint.com/images/file/95179997224.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610f324592f85---81621939853.pdfIn PDF document text
  • http://jjw-led.com/userfiles/file/72139255317.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cd0181c8830---ranunitefufagi.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/julowarepebibobogufidinuf.pdfIn PDF document text
  • https://masterjobintl.com/ckfinder/userfiles/files/96180534497.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/medurerisixetozabupon.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/budidivesenep.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ec43976f0d9---gajonanipepusipebabexud.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/92489811109.pdfIn PDF document text
  • http://visusmarble.com/images_upload/files/dabibap.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/db1b91dea856ef83ab1c5bcbfc37731c/lutaroxezivevenakixegamed.pdfIn PDF document text
  • https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/0796c51a2dc5c41df20f0dccd80b5198/lasobugapunisumetel.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a00052d7efc---98900560668.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/94734939949.pdfIn PDF document text
  • http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/37691088732.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/46368405297.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/bikaji.pdfIn PDF document text
  • http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/16735845633.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160719adde897d---79296440544.pdfIn PDF document text
  • http://esejsc.com/upload/files/golana.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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