Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Security software disable instruction high SE_SECURITY_BYPASS
  Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crewmak.ru/uplcv?utm_term=zuma+deluxe+full+game+download+free PDF link annotation

  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/88758700986.pdfIn PDF document text
  • http://kennycojewelry.com/userfiles/files/202106/1624859327.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f88bc5d27e---7525054131.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/11599657534.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/pvk8b9g81frrfsdq4qigumf0i0/549939750.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/vasabibekofabumulemifefim.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/bofumerezu.pdfIn PDF document text
  • http://insureavisitor.com/userfiles/file/11569359693.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/71537190120.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608213ae4305e---pofiwaxepudagovugigijip.pdfIn PDF document text
  • https://viticoltura-enologia.com/file/39961180073.pdfIn PDF document text
  • http://burragebrothers.org/demo/jolie/beta/userfiles/files/49268401608.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/a588c5ea4edec2c45b48b01bc156505c/zijar.pdfIn PDF document text
  • https://webupdate.ca/wp-content/plugins/super-forms/uploads/php/files/milv4dp5c5m59n8kap5ev6v5k8/45613039425.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c8842482f72---9125303129.pdfIn PDF document text
  • https://coatielectronica.com/files/12618692561.pdfIn PDF document text
  • https://chung-pei.com/userfiles/file/gakevugebetozapa.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f8f826ec1---30942438069.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/63415657467.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608c272b440d4---roguseluverivox.pdfIn PDF document text
  • http://vangphugia.com/userfiles/file/87538826936.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a403679407---numokotifa.pdfIn PDF document text
  • https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/13405702451.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd72e5a4f65---46912556967.pdfIn PDF document text
  • 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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