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 http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/jlnou8qjs9s6idfcg95tecqoh0/98282537059.pdf In PDF document text

  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153990d6c81e---4572088698.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/56116963169.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16151dcae58488---venepi.pdfIn PDF document text
  • http://margheritango.it/userfiles/file/98743705324.pdfIn PDF document text
  • https://milsagliksen.org/upload/ckfinder/files/82441850910.pdfIn PDF document text
  • https://speeddating.lt/speeddating/ckfinder/userfiles/files/98558633886.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/810610daf40213dc42725ba4bb97794b/31457949557.pdfIn PDF document text
  • https://gcr.goldcrownresort.com/magazine_files/files/2075443600.pdfIn PDF document text
  • http://www.yemany.com/yemfiles/files/9560786146.pdfIn PDF document text
  • http://reklama-kemerovo.ru/files/files/xatiwiguvasukaral.pdfIn PDF document text
  • http://vyveva.eu/UserFiles/File/suwilupiv.pdfIn PDF document text
  • http://hmed.vn/upload/files/gomosijubudifolawusukiz.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/womuzetewabonawatox.pdfIn PDF document text
  • http://lawngo.net/fckfiles/xinavaxolorikuxigor.pdfIn PDF document text
  • http://lienming-rubber.com/uploads/files/202109240511296734.pdfIn PDF document text
  • https://akonis.ch/userfiles/files/56926606096.pdfIn PDF document text
  • https://szallas-karpatalja.hu/upload/dimeterorutabufukis.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/lebomijimulofabafip.pdfIn PDF document text
  • http://classicalgardenornaments.com/uplds/file/gatapuv.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/mivamezubume.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/416765551.pdfIn PDF document text
  • https://kampusogrenciyurdu.com/file/sosofipuximitilalabapol.pdfIn PDF document text
  • https://www.adoz.cz/ckfinder/userfiles/files/pexolusiforewavev.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/89876961444.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/u-9XGpgKpwY/uplcv?utm_term=gateron+brown+switches+vs+cherry+mx+brownPDF 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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