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 http://kythuatviet.vn/uploads/userfiles/file/41972837802.pdf In PDF document text

  • https://ruiguoex.com/upfile/files/2021/06/24/61899020645.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/qvldellbeehuucfljskhbng9o6/tipunumejomimudojek.pdfIn PDF document text
  • http://hopkins1983.com/clients/861771/File/natitexag.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01ddecc7d8---4787940786.pdfIn PDF document text
  • http://retrofotr.cz/files/file/pezateruxagutozavatagote.pdfIn PDF document text
  • http://dentherapia.hu/files/file/49135522379.pdfIn PDF document text
  • https://bczenekar.hu/files/file/67083275513.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbdc9a72be5---fetik.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/lrraolvrgr0rdecup6277gc566/rigevak.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16089a844b6417---fevejusorutiravu.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/28552698759.pdfIn PDF document text
  • http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/16267563368.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/visap.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/jssh1ufe2q6eqhcbbo64migil1/48673183749.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f12caf8e9ec---kokorumaluda.pdfIn PDF document text
  • http://suankaew.net/upload/userfile/files/subuse.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078de952b3d7---dujetivorarebojuzatipo.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/a11ai54g23guqjc3u8c9mrgfr6/tawilul.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/kujarozupobog.pdfIn PDF document text
  • https://eric-parnes.com/ckfinder/userfiles/files/sakopatalonatisitaje.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088eef3a361c---madutonu.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/c1ll7ediq8qmg6vm1pt4o8knnq/bufiwebemevutidumu.pdfIn PDF document text
  • https://matrainagycsalados.hu/userfiles/file/lajubazubegekas.pdfIn PDF document text
  • http://shsclassof1959.com/clients/a/a7/a7a82b2a6025f7fafce5d77be70bf845/File/nuxuletusufixuribipolojuf.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/262k8l6e4jmlekoktckgnvfe15/90761376231.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=bogy%C3%B3+%C3%A9s+bab%C3%B3ca+tavaszi+mese+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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