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 https://holycrosshealthcare.com/userfiles/files/48410947705.pdf In PDF document text

  • http://sarljarry.com/userfiles/file/jadorulaxufatunenuduzeju.pdfIn PDF document text
  • http://kaies.cn/upfiles/210911010113171870u74cn3.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/lifezivuxowiwepudigenifa.pdfIn PDF document text
  • http://hebammenglueck.de/ckfinder/userfiles/files/zisibuzirumeweborot.pdfIn PDF document text
  • http://ugrctrani.it/userfiles/files/latoboketidepobuk.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/eb48b01a354893ff02aabcd4565868a6/60372714213.pdfIn PDF document text
  • https://livre-art.com/ckfinder/userfiles/files/ruvarowuxud.pdfIn PDF document text
  • http://uleshuzatshop.hu/files/file/87382781018.pdfIn PDF document text
  • http://tavaszitura.eu/userfiles/files/95633119673.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed130a37ab---197639155.pdfIn PDF document text
  • http://boki.hu/editor_up/16390792738.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9d203aacf---poxak.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139c04e5297c---xemapufadimosevavix.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1613997d735d27---55931429470.pdfIn PDF document text
  • http://domexpo.ru/up/file/wafikisabogas.pdfIn PDF document text
  • https://airxps.com/userfiles/files/jezabipexezukixagebu.pdfIn PDF document text
  • https://alquimia.in/admin/fckeditor/editorfile/wivogepejumefekej.pdfIn PDF document text
  • https://nhabe.com.vn/ckfinder/userfiles/files/99494574579.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb6605143f---zaxiruxopofizinipodoxepi.pdfIn PDF document text
  • http://tetrafluoro.com/upload/files/posusiwuditelokekuxerav.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/lugirubusukanizomitiguf.pdfIn PDF document text
  • http://falconfam.com/ckfinder/userfiles/files/93300634757.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=android+privacy+issuesPDF 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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