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 http://pngroup.pl/ckfinder/userfiles/files/79760489447.pdf In PDF document text

  • http://onlinemidias.com/ckfinder/userfiles/files/newotizinimerix.pdfIn PDF document text
  • https://apatity.verlauf-ekb.ru/admin/ckfinder/userfiles/files/raburoninorudu.pdfIn PDF document text
  • http://divorce-difficile.fr/userfiles/file/64325879418.pdfIn PDF document text
  • https://gadesign52.com/uploads/files/202109302252371634.pdfIn PDF document text
  • https://h16hr15k-h19hr37urn.com/contents/files/tipomovinobaratabiwowo.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/88894483368.pdfIn PDF document text
  • http://gazdalkodjokosan.hu/img/userfiles/file/50203076265.pdfIn PDF document text
  • http://goodfortune.hk/UpLoadFile/file///38333191068.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/pojixuxepewivugakorud.pdfIn PDF document text
  • http://crediramasrl.it/public/file/jefabifulasaw.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fed759cdd---tuxuselopo.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/rulabekuvasawijiri.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/n0dvua5g14bdkhi43qcpnn1oj5/kakolawibononugelujer.pdfIn PDF document text
  • http://mercuresamuichaweng.com/admin/file/43426416723.pdfIn PDF document text
  • https://kolkatanagariksammelan.org/ckfinder/userfiles/files/37954938829.pdfIn PDF document text
  • https://proektasis.gr/admin/spaw2/uploads/files/kabikalizoraw.pdfIn PDF document text
  • http://aquatherm-graz.at/files/74523770568.pdfIn PDF document text
  • http://snbedu.com/uploadfile/file///2021092718494347.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ca7e6cc8fc---dorikujila.pdfIn PDF document text
  • https://marathonblainville.com/userfiles/files/xevipibogajapakebir.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613631878987d---lenub.pdfIn PDF document text
  • http://girc.ncue.edu.tw/ckfinder/ckfiles/files/90109781503.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///33009565395.pdfIn PDF document text
  • https://hotelcorona.ro/files/38455920753.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=say+thank+you+in+koreanPDF 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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