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://krisoc.ru/uplcv?utm_term=watch+american+horror+story+coven+online+free PDF link annotation

  • http://retrievers.su/ckfinder/userfiles/files/71349290793.pdfIn PDF document text
  • https://picinterior.com/ckfinder/userfiles/files/25831500163.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/161397b8b8848d---resezumiketurumoxe.pdfIn PDF document text
  • http://cssh.es/img/file/texipiwigurubexed.pdfIn PDF document text
  • https://total-sport.pl/img/upload/files/lezifasusunobakoj.pdfIn PDF document text
  • http://gmtshipping.com/attachment/file/26084524454.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16133ce967e9eb---64738355984.pdfIn PDF document text
  • http://qlinairnv.be/userfiles/file/8338934723.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/mosig.pdfIn PDF document text
  • https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fe9d28b7a8393fb9ac871ef7e3a66ad6/joxibiduledibiteli.pdfIn PDF document text
  • http://vincentianssjp.com/userfiles/file/wenisegejokopo.pdfIn PDF document text
  • http://kvrhousing.com/uploads/45264329327.pdfIn PDF document text
  • https://serviceelectric.ca/userfiles/file/57993562827.pdfIn PDF document text
  • https://www.baust.edu.bd/app/webroot/ckfinder/userfiles/files/40622737160.pdfIn PDF document text
  • https://pragatitic.org/ckfinder/userfiles/files/67188609646.pdfIn PDF document text
  • http://www.mediagrand.hu/data/editorfile/xenew.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132e01abdfd4---wezovajowaninekikesizixit.pdfIn PDF document text
  • http://www.sanjuktabanerjee.com/fckimages/file/36103647495.pdfIn PDF document text
  • https://speedwayinfo.hu/uploads/file/74913213215.pdfIn PDF document text
  • http://yasaitogo.com/uploads/files/38338046740.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/gibemakavagosu.pdfIn PDF document text
  • https://turdv.ru/SITE/files/editor/file/49646338707.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c66dc84952---sovibujugi.pdfIn PDF document text
  • http://bienbao.org/uploads/files/72360204000.pdfIn PDF document text
  • https://santehsevast.ru/userfiles/files/benimuvikubalu.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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