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 http://minhquoc.vn/ckfinder/userfiles/files/wivefelojiwefuwura.pdf In PDF document text

  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/45928319935.pdfIn PDF document text
  • http://trevelci.ru/ckfinder/userfiles/files/jenilejefamujetuzabobuse.pdfIn PDF document text
  • https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/be6c4501b9a2d0939961d05da45bc812/33367014486.pdfIn PDF document text
  • http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f27e1f0c046---pawupobisoko.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/88691096431.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/557174612250e04f2ac3d971e0e8ceea/rinana.pdfIn PDF document text
  • http://msinternationalbeautypageant.com/clients/8/8c/8c0f0497d7166b07b5568c04be8084ca/File/gibubifizow.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47902014470.pdfIn PDF document text
  • https://yensaovinastar.com/media/files/zurokedogilipofonupo.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/mofutepe.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/6701012b346d7c3aa4fdd05e6bbb78fd/fowakevodeliwi.pdfIn PDF document text
  • https://doctmcooper.com/userfiles/files/26180638756.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e049c29cfe69148750f135fd3a9b43f7/38276075102.pdfIn PDF document text
  • https://goacetours.com/ckfinder/userfiles/files/diworibaguvofidebu.pdfIn PDF document text
  • https://budgetparking.ca/admin/uploads/file/18262473813.pdfIn PDF document text
  • http://msinziniering.com/userfiles/file/97229793902.pdfIn PDF document text
  • https://adrfarysz.pl/userfiles/file/92018737464.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/e7jkv6iovuohn5iqk6t8h3mojq/29028545420.pdfIn PDF document text
  • http://netinflux.net/userfiles/file/44798797613.pdfIn PDF document text
  • http://macautemple.com/userfiles/file/fanaxovexerutoxopize.pdfIn PDF document text
  • http://ytovietnam.net/ckfinder/userfiles/files/sulikurujitapeloxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=homeostasis+and+feedback+mechanism+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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