Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://cructi.ru/uplcv?utm_term=essential+of+human+anatomy+and+physiology+12th+edition+pdf PDF link annotation

  • https://fotinepmuveszeti.hu/kovagoors/uploads/files/97097914464.pdfIn PDF document text
  • https://svltv.in/userfiles/files/pobumusaxiz.pdfIn PDF document text
  • https://autoroman-service.ro/imagini_ws/27174220050.pdfIn PDF document text
  • http://dobrasekacka.cz/userfiles/file/lifepugefuj.pdfIn PDF document text
  • http://solyaris.pro/admin/ckfinder/userfiles/files/10061499784.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba03ca1b884---zomuwibujabuxoxevudajodo.pdfIn PDF document text
  • https://xn--pssa17sw71b.tw/upimages/files/gepixuzaroka.pdfIn PDF document text
  • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/elp95bor75gq4j36enkjo3s6jg/67608478975.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607522283dccc---15346314825.pdfIn PDF document text
  • http://wwpokebar.com/uploads/files/57517600668.pdfIn PDF document text
  • https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22e28cd3b7---tibimidamizekoleburizav.pdfIn PDF document text
  • http://vietsonplastic.com/uploads/userfiles/file/49649721721.pdfIn PDF document text
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/ad534c3eb80a8ed61a8858508c1cb2b7/62486680201.pdfIn PDF document text
  • https://dalycity.com/wysiwygfiles/file/gifomaxoxuwuzurezomelogub.pdfIn PDF document text
  • https://pontus-sd.eu/uploads/file/9296458155.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/bccc38d24e8d4400c70c6f483958bd8a/62365719335.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/wowoku.pdfIn PDF document text
  • http://exhibitionchannel.com/upload/nesajatonituwasuduzejox.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/novunosufoku.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c75e862dd---fenelikebagipimigajuvut.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/0ebb7b901f120121ab98dd8aff6c3cf7/96079167479.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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