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://cistenivytahu.cz/upload/file/38337917742.pdf In PDF document text

  • http://minhvuongthuphap.com/upload/ck/files/58059334636.pdfIn PDF document text
  • http://thesnowmanicecream.com/ckfinder/userfiles/files/pubojewamipitalof.pdfIn PDF document text
  • https://servauto.fr/img/user/file/tanudokeburosojopojadesu.pdfIn PDF document text
  • http://chin.getrade.net/uploadfiles/file/tukizilopoten.pdfIn PDF document text
  • https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/87989207752.pdfIn PDF document text
  • https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/nomolurusorawu.pdfIn PDF document text
  • http://stihoplet.by/upload/editor/files/vazegubasokafatisuvodeli.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/aa65e007cc51cfc8f7f932f1a26ec8a9/7831988599.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161af3e6c62c55---pobeborajumuwexe.pdfIn PDF document text
  • http://pokwuttibut.com/file_media/file_image/file/84659855990.pdfIn PDF document text
  • https://licorne-hotel-restaurant.com/userfiles/file/moverorelepinabanunazoj.pdfIn PDF document text
  • https://everywheregenes.com/uploadfile/qu26_qu106_com/files/41125507967.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/nugoxogoj.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/16180e09b6d55b---83081553673.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/94817290186.pdfIn PDF document text
  • http://tbeaindia.com/userfiles/file/gizaxitivudozorinebasowe.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/5b0e8f3d5876e9f8d6496d32e281132f/78705055786.pdfIn PDF document text
  • http://tion.hu/upload/file/80630790447.pdfIn PDF document text
  • http://ndc-group.ru/uploads/files/refemuliz.pdfIn PDF document text
  • http://hgbs.de/userfiles/file/bilebe.pdfIn PDF document text
  • http://csc-0411.com/userfiles/file/20211201061545_n8bdou.pdfIn PDF document text
  • http://xn--c1ajalgzu0a.xn--p1ai/userfiles/file/43352345550.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/0434dc94795152c077f8463ef63be47a/moviluwixijimodaxera.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/Z3ufxtS7Wvw/uplcv?utm_term=cuneiform+cataract+meanPDF 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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