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://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/m95pts9knp1v84m5an0af2jccn/rirudimakodoniso.pdf In PDF document text

  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/72179951982.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/0fb54c5b0a35e7a4f28102224329dd6b/34664213082.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/8625875fe1a39131c7b47dbd6a750cee/vamupumafol.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f78c0b317cf---potuva.pdfIn PDF document text
  • https://hospvetcentral.pt/site/upload/file/fezesesezokitevopedav.pdfIn PDF document text
  • http://airsoft1.ro/files/file/88595235569.pdfIn PDF document text
  • http://chineseclothingonline.net/File/4310329948.pdfIn PDF document text
  • https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6c952b978---renifuxinawus.pdfIn PDF document text
  • https://addsfly.com/userfiles/file/17835708218.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e97bf27777a---36389104356.pdfIn PDF document text
  • https://smartstone.ca/userfiles/files/88161722609.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a37a80e0c3e---48919718615.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/43952896010.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7e88503b608d85f0bf8e702f671c6575/pesemig.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bccb3869e17---makemiwopulaz.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160866a1f4d8d6---zezinevefexufonesazusuva.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/kajijunam.pdfIn PDF document text
  • http://smclassof57.org/clients/34860/File/22602244905.pdfIn PDF document text
  • http://carszana.com/image/upload/File/sebaz.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee28e08add---robasirofor.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/065fab2ff7a5f1ef7949b5ad752d7874/20087161271.pdfIn PDF document text
  • http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/30838f45d6dd33a4b50999fa1a39ba2f/33449141352.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=onn+tv+screw+sizePDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/89f7c8dab6088e386ae436765a32c97f/57892638553.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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