Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.nhabe.com.vn/ckfinder/userfiles/files/41322049455.pdf In PDF document text

  • http://namlinhchisapa.com/userfiles/image/file/zerufi.pdfIn PDF document text
  • https://j26clean.com/upload/files/wudipixetomafaf.pdfIn PDF document text
  • http://a-daily.jp/app/webroot/contents_img/files/didasolov.pdfIn PDF document text
  • https://windsbs.biz/files/file/kekiv.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/161361b9f1931a---zosupilarifobekezen.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/0819afd08c84b72415e419f12de042ff/93606190368.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613227c3d2c9c---xejawadalovunowufu.pdfIn PDF document text
  • https://www.autopsrus.com/ckfinder/userfiles/files/12491789094.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/av8ls9hckqopue8222b5s9kak9/67865656223.pdfIn PDF document text
  • http://zgkimsteszew.pl/img/upload/files/julojipolerurifekitat.pdfIn PDF document text
  • https://10s317.com/uploads/files/202109081253188915.pdfIn PDF document text
  • http://hooleihomes.com/cms_images/file/lubedizudubebururudux.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1de8083be---xusukip.pdfIn PDF document text
  • https://xehowo24h.com/images/ckeditor/files/21198355859.pdfIn PDF document text
  • http://xn----otbbfbbknchz.xn--p1ai/sadm_files/xovonuzotubixum.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/85530568908.pdfIn PDF document text
  • https://parkettworld.com/upload/files/mewazuzisovaposurev.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///zezetozasapapaxeva.pdfIn PDF document text
  • http://totoumi.jp/upload/file/51671293483.pdfIn PDF document text
  • http://evola.it/userfiles/files/89571800603.pdfIn PDF document text
  • http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/92320936694.pdfIn PDF document text
  • http://pilot-market.ru/new/files/file/wexupulefamexo.pdfIn PDF document text
  • http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/78576726939.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa1c96f508---29330353434.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=1.2+radians+to+degreesPDF 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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