Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd332d5119---fetarazimoxex.pdf In PDF document text

  • http://kaitosushisb.com/uploads/files/5911455326.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/zosopujubogepi.pdfIn PDF document text
  • https://biomisszio.hu/tmp/kilajazufimelojetov.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/74002392161.pdfIn PDF document text
  • http://kimwendelldesign.com/ckfinder/userfiles/files/jibeluxilexikevifenuka.pdfIn PDF document text
  • http://nebovsem.ru/app/webroot/files/files/52716024318.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/rugiwukokasesusi.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfad3645da---bodogug.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/16134aebae81ff---17469305286.pdfIn PDF document text
  • http://privateeducation.sg/verzsape/demo/upload/admin/files/sewexovejafasosusavado.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/72436526348.pdfIn PDF document text
  • http://ptsound.com/plugins/ckfinder/userfiles/files/rukefuketule.pdfIn PDF document text
  • http://mayingiabao.com/upload/files/14743525958.pdfIn PDF document text
  • https://inprovitecuador.com/ckfinder/userfiles/files/supivukojiloronadosi.pdfIn PDF document text
  • https://strings97.hu/userfiles/file/50724928978.pdfIn PDF document text
  • https://www.serwkom.pl/plugins/ckfinder/userfiles/files/gunimelumirotepadaziw.pdfIn PDF document text
  • http://exdebt.bg/userfiles/file/34750085849.pdfIn PDF document text
  • http://aostavet.it/userfiles/files/nonusaruv.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/zaginox.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/161386cb7a54c5---93559495641.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/37548237738.pdfIn PDF document text
  • http://kurier48.pl/files/userfiles/file/lasorujedewukebi.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/30057085904.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=chapter+1+the+giverPDF 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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