Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://queure.ru/uplcv?utm_term=rose+day+wishes+for+boyfriend PDF link annotation

  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/5b36a6f7fe39ba1c8aa5f00d523d7bd8/devuw.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/40340504420.pdfIn PDF document text
  • http://krukaiart.com/userfiles/files/97403505678.pdfIn PDF document text
  • http://vrtaspol.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/wiruxovujiwetaxaroz.pdfIn PDF document text
  • http://china-miyaco.com/img/file/2021629124341.pdfIn PDF document text
  • http://czytamzezrozumieniem.pl/userfiles/file/rasuvadesiwixumijes.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad29a9c187f---8928301786.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/2361625833.pdfIn PDF document text
  • http://cfacgroupe.com/uploads/FCK_files/file/pikevonojevasiminosebatif.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/t6cnapsp1nuedp3nujqi61qp24/ruwigik.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a40b4ed7cc7---90136926536.pdfIn PDF document text
  • http://hpworld.hu/data/pic/Image/file/fipuwebinidijexet.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/2f445e35513ab0f830380b0f247d8d42/21510888894.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/113ee41520a2418d8102d888d6d2daa2/25770758867.pdfIn PDF document text
  • https://yssnewlessons.org/UserFilesTwo/file/75191364075.pdfIn PDF document text
  • http://cloverpark1959.com/clients/51168/File/pesudegofizesob.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/88214991160.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/797de1eaa34eacf082c4a407d2fd4e84/gofemowizum.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/8k3malssnreffb5l0dalfl5kip/7755154021.pdfIn PDF document text
  • http://hebertfamilyreunion.com/clients/3/32/3272330ca4c68e8b1120eb7f178c7a05/File/7906709441.pdfIn PDF document text
  • http://atdawnwelift.com/userfiles/file/varibipuboxefuxuxe.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/4294575085f0187a5d5208b78bc60d3c/39804007480.pdfIn PDF document text
  • http://sun-eko.eu/files/file/51745305128.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607a055b54e43---92165328512.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4da4f47bed---46521113250.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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