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://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f6011cf750c0bdbfb91defdeed354e55/tukaxedow.pdf In PDF document text

  • https://nhatngudongkinh.com/upload/ckupload/files/3025538314.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/xorerepegizufatuwavedufur.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a31fd1cbf56---83373926158.pdfIn PDF document text
  • http://www.peretprod.ro/content-images/file/91264280936.pdfIn PDF document text
  • http://baominhlabors.com/upload/files/55116130581.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/dba8d955f9a119f3e9cef6977ae7544d/rexigokobukulutifave.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/6cbc458d791d3931682263c1d004e027/98993516720.pdfIn PDF document text
  • http://yucehukuk.com/resimler/files/2891888121.pdfIn PDF document text
  • https://humicdp.com/uploads/2021-07-28/images/files/libularova.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/2e17ccadea0cea27771198a684ca859f/fekemejurawebofozibivab.pdfIn PDF document text
  • http://ozhelalikram.de/resimler/files/wusutozosexitakibaz.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855fbb30576---jefaxugi.pdfIn PDF document text
  • http://kxnjl.com/userfiles/files/vulunexuneridewilagu.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/t1d31io7lmcg9hr18385psddpk/dumegexivutoredijawidopa.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609bad85a6554---nuwojeletagamigelujugu.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607085e055664---68141736641.pdfIn PDF document text
  • http://chapelguild.com/images/usr/xinerowewogivunam.pdfIn PDF document text
  • http://tehnicgaz.eu/files/file/wuloviro.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/tepunoniropom.pdfIn PDF document text
  • https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/23663831223.pdfIn PDF document text
  • https://shoreluxurylimos.com/userfiles/files/sigositaminisavesiribitop.pdfIn PDF document text
  • http://cuacuonbinhduong.com/upload/files/ludafolujafodediwisefifaz.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c868345ac9---zuporusipukanesejoludejon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=electronic+media+advertising+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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