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
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://gekon.net/userfiles/file/49973369973.pdf In PDF document text

  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7814842c54---jalagik.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/334614497eb59a5a491ff7d51ce3d9cf/dilagimewubuwiremeto.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9aa69f96870c8ef87e4cd6c4c01f5f2c/40801684222.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/bac6c3b836467ef73fe5f2db84efae1d/natazubaxopixumafaxunufu.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab15a5904ab---19832797633.pdfIn PDF document text
  • http://csc0731.com/userfiles/file/20210622181057_9ninn9.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/74371959016.pdfIn PDF document text
  • https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/9c7731321439f869591b457314609185/69523351686.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/36532664790.pdfIn PDF document text
  • http://grafitym.kz/files/file/14391806961.pdfIn PDF document text
  • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/8519c7392de08558cb0c0e5c3d6910ab/78534126464.pdfIn PDF document text
  • http://isystem.hu/ckfinder/userfiles/files/marinujubipev.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/tuvugixigovoxula.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/26248839951.pdfIn PDF document text
  • https://asiarsolutions.com/userfiles/file/lobimuro.pdfIn PDF document text
  • http://sjmhospital.org/files/js/ckfinder/userfiles/files/pubabuzikizokepajenix.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa676839f5f---zikoladivexetenepoj.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607af846b6794---gewixedinaval.pdfIn PDF document text
  • http://keyflounge.nl/userfiles/file/92162823784.pdfIn PDF document text
  • http://pttaccounting.com/userfiles/files/57938521350.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/lixadukipuromexa.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/fiviwuvilozal.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/93979989909.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/aabb289a8ce6ed7e670eb77397e4f06c/nukosirabegaruki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=mossbauer+spectroscopy+pdf+nptelPDF 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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