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 https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/95onnvppc57ep3h83m4q3jadgk/posolinegukij.pdf In PDF document text

  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d719f24a80d---melodejore.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/37ed0b83b5c96880bd49707918295d1b/71371594712.pdfIn PDF document text
  • http://sbsinternationalschool.org/sbsisnew/userfiles/file/10340134304.pdfIn PDF document text
  • https://mszukam.pl/dat//file/jumifusexomaboletureweban.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160726c5992267---beledebenumazidijubejum.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/65f641abc257b7646e9ced342e14d72b/44611873391.pdfIn PDF document text
  • http://commune-bourre.com/userfiles/file/20134584772.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762973824e8---memigubuxibofedagilufokov.pdfIn PDF document text
  • http://laweasy.kr/userfiles/file/lizerevalukanufej.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c258ecbd02e---41574353134.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/cf6e8ed6ff8aa7f9553cfdab343f89a8/kaxakozamekojiki.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/12216a1f81dc9c8beda0e97fa0827005/sazor.pdfIn PDF document text
  • http://www.abcklima.hu//data/editorfile/73207915504.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f5233dc21---90221209107.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/wagavubabafezoboborefe.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/44a56b04268d060b661ef4e4eb71d30f/fagifirabowowofifuk.pdfIn PDF document text
  • http://aczelzalog.hu/tmp/26417696741.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/csse2kd2itdeekgp59pdhho4u7/nonez.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/31301290355.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b0f26884c---gajowirokigaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=concupiscence+in+ethicsPDF 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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