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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://garglob.ru/uplcv?utm_term=free+download+imo+for+desktop PDF link annotation

  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/84035491713.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/6337543759.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/199d9b86d4e529be55a6d913e3e2c234/xavowiwagul.pdfIn PDF document text
  • http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/33916850668.pdfIn PDF document text
  • http://csc025.com/userfiles/file/20210904074758_w1r9uc.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/c878b1864ea31fdfcf206a37b8ac0fc2/13458555515.pdfIn PDF document text
  • http://poetische-malerei.de/web/editor/files/fijexut.pdfIn PDF document text
  • http://acm-medicali.it/userfiles/files/baridalafiberofufu.pdfIn PDF document text
  • http://etcpremium.com/userfiles/files/nodipogozabegimovepezo.pdfIn PDF document text
  • https://chasehr.in/userfiles/file/xosekusenaji.pdfIn PDF document text
  • http://urparitet.ru/admin/ckfinder/userfiles/files/simesi.pdfIn PDF document text
  • https://observatoire-omic.org/documents/file/dekuzip.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a8331d5453---65152614296.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/p4umg20bv2dps3tr079su2t7k1/50092921726.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/71219258.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2bdcbf686---54022123222.pdfIn PDF document text
  • http://unixsensor.com/uploads/files/202109071755346356.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/a20c6dafb195d873d792b938cb333235/13360895431.pdfIn PDF document text
  • http://a-aqua.fr/ressource/site-image/files/xekumatunoxulitutumixabi.pdfIn PDF document text
  • https://icnj.net/ckeditor/ckfinder/userfiles/files/tapatorivajiniva.pdfIn PDF document text
  • https://kamionosnyelvlecke.hu/userfiles/file/gunozir.pdfIn PDF document text
  • http://state-lithium.com/upload/files/gavemulideji.pdfIn PDF document text
  • http://arndt-fahrschule.de/userfiles/file/20388822655.pdfIn PDF document text
  • https://sabunwangi.com/contents/files/48243238136.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138814ed5786---60928035084.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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