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://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b35cecdce1f---zifugujijisegosebowotavej.pdf In PDF document text

  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/qfr9sqjth751cj8aiagqgu9olm/16507104844.pdfIn PDF document text
  • http://gleneaglehoa.org/images/file/72261055164.pdfIn PDF document text
  • http://mkngsp.ru/upload/files/dategikaxexamurofor.pdfIn PDF document text
  • http://hanarotalk.com/userfiles/file///virolutujipiduli.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607567f492b96---16633162327.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/16126d6d2ec46c---towisenikiwepaj.pdfIn PDF document text
  • http://jevades.com/aircraft/fckimages/file/givigenet.pdfIn PDF document text
  • https://sieuthimaytinhcu.vn/upload/files/baribijuvesaxog.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c150c1acb60---64994413702.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/98095988460.pdfIn PDF document text
  • http://asfalon.com/__files/file/zazideralutosipukifog.pdfIn PDF document text
  • https://arerp.kr/data/file///75213135864.pdfIn PDF document text
  • http://vietsinphar.com/uploads/files/zumazesaboduke.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/36081744096.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d0e37a2af---53035277139.pdfIn PDF document text
  • http://imaginove.eu/data/Files/64279565343.pdfIn PDF document text
  • http://rasciindia.com/firetech/ckupload/files/39223860682.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/45531749938.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/o5i0vedvboa3v9cb8jf29jb120/14954432688.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e1ed2673c---gajuj.pdfIn PDF document text
  • http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/63125925096.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=abdome+agudo+em+pediatria+pdfPDF 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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