Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://mobydick-band.de/fckdata/file/29333097981.pdf In PDF document text

  • http://w3-japan.com/js/upload/files/zezutexeju.pdfIn PDF document text
  • http://nuocmambason.com/upload/fckimagesfile/13799c7e04de629e764e4b1e21aebb48.pdfIn PDF document text
  • http://escalierdurire.fr/ckfinder/userfiles/files/66931479323.pdfIn PDF document text
  • https://parisnordmedical.fr/docs/file/65303699248.pdfIn PDF document text
  • http://sonhanint.com/uploadpic/sun/files/202109021719298449.pdfIn PDF document text
  • http://www.singchai.co.th/ckfinder/userfiles/files/94857630725.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614088747301f---17368445316.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613a26dda0433---mimowuvifit.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/5g54ns23f2m5g9gss5elkqkv23/werujezutozasadosuradel.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614283ffb056e---jibotavomuseriravepimope.pdfIn PDF document text
  • http://retrolondontees.com/userfiles/file/83203344584.pdfIn PDF document text
  • https://ristovski.mk/public_html/upload/userfiles/file/23225505722.pdfIn PDF document text
  • http://dothi.info/images/files/70325106040.pdfIn PDF document text
  • http://ty6600.com/userfiles/file/65988285791.pdfIn PDF document text
  • https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/nikanapiwubo.pdfIn PDF document text
  • https://hopadive.cz/ckfinder/userfiles/files/69543194225.pdfIn PDF document text
  • http://maxbrio.kr/files/files/37706186208.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/kewosumerunolog.pdfIn PDF document text
  • http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/zabozu.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/17266903295.pdfIn PDF document text
  • https://vientangluc.com/upload/files/45822064844.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161489a427da00---baziteti.pdfIn PDF document text
  • https://chulintemple.house-well.com/CKEdit/upload/files/joxazuve.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=4th+maths+book+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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