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://medvor.ru/uplcv?utm_term=free+codes+for+fortnite+skins PDF link annotation

  • http://phongthuyphatloc.com/luutru/files/sopoduzexugigesujepor.pdfIn PDF document text
  • http://3dtechgroup.com/uploads/image/files/bekuzitesiletepa.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/ramuxumetatubibapoxog.pdfIn PDF document text
  • http://bangladeshceramicsociety.com/uploads/editor/files/56468973472.pdfIn PDF document text
  • https://2-view.org/home/view/public_html/ckfinder/userfiles/files/26899284964.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/98021358575.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161304b135cbb0---98881837387.pdfIn PDF document text
  • http://minhphucvietnam.com/uploads/userfiles/file/20013016307.pdfIn PDF document text
  • http://kfnmsz.com/upfolder/e/files/20210919211645.pdfIn PDF document text
  • http://1137.jp/app/webroot/js/ckfinder/userfiles/files/xudelubos.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613397ce21414---zazowonazurusumokugad.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/73540897002.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed691eb4d8---bawolepuxeku.pdfIn PDF document text
  • http://deshdunya.com/blogimage/file/bulawod.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/87ef9fc2e31ae8828320fa5133c5b02a/67167872827.pdfIn PDF document text
  • http://keyday.ru/files/files/32543685993.pdfIn PDF document text
  • https://avukatwebsitesi.trakyasoft.com/upload/files/febog.pdfIn PDF document text
  • https://luxm.pl/userfiles/file/40268280178.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143a90b29d65---virezifozumatidetuvajewo.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/kigakukasemakamusezag.pdfIn PDF document text
  • http://tutek.eu/userfiles/file/93200722622.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/fe01f453769ee35fa7c57d6a1aeeb432/sidesumazabadibusuwifet.pdfIn PDF document text
  • http://jszl-rolls.com/filespath/files/20210909203604.pdfIn PDF document text
  • http://ankaraeksioglu.com/resimler/files/fodifivotofetesik.pdfIn PDF document text
  • 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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