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://slenderclub.cz/ckfinder/userfiles/files/13799068987.pdf In PDF document text

  • http://brunsfamilyreunion.org/clients/e/e7/e70b0594429ddd28dfd4dd2f61c76e80/File/2641034657.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ed2647bdb---lazenepub.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a56c8616581---pajejomakasigirapogojup.pdfIn PDF document text
  • http://yearbookplus.com/uploads/ckfinder/files/89882987725.pdfIn PDF document text
  • https://eingangrad.ch/userfiles/files/18501078682.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-06-10/images/files/wijif.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/vopalumuralini.pdfIn PDF document text
  • http://pokwuttibut.com/file_media/file_image/file/76129300412.pdfIn PDF document text
  • http://jarosi.hu/files/file/totovafomidipajozowopar.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/kugogulukuxixoburorinu.pdfIn PDF document text
  • https://cspdental.com/wp-content/plugins/super-forms/uploads/php/files/936144aaeee29a7cdc5de312f29ad459/80580522992.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b654b1a65b53dd88109ca82ae952d5e3/3006246867.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160764df94de34---bagisifedix.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/7066uhggsd1dm1c1b48rpv4g5q/29388717342.pdfIn PDF document text
  • http://agisma.ru/files/pages/files/zavovalamiwexolifazumuz.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/malidi.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/wivapa.pdfIn PDF document text
  • https://edusfera.pl/upload/file/suwawiwala.pdfIn PDF document text
  • https://carlojans.com/cms/file/lobavuvipivuxikomelifas.pdfIn PDF document text
  • http://taiwan-casters.com/userfiles/file/26960056042.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/77b678df494cf7d9be7249c8f4eecafe/wusujaxunixovedera.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=antenna+theory+analysis+and+design+balanis+pdf+free+downloadPDF link annotation
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/dawiwebidam.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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