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://garglob.ru/uplcv?utm_term=right+triangle+trigonometry+puzzle+worksheet+answers PDF link annotation

  • http://agecarekorea.com/ckupload/files/nifonobafipaligepujifokud.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/mirowuperazizemedufijo.pdfIn PDF document text
  • https://3eyamaichi.com/upload/ckfinder_temp/files/20210929043423.pdfIn PDF document text
  • http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210926194920.pdfIn PDF document text
  • https://gencatakan.com/upload/file/55691896260.pdfIn PDF document text
  • https://envirotechindia.net/admin/userfiles/file/pumajerezu.pdfIn PDF document text
  • https://falconshipping-uae.com/userfiles/files/68525389354.pdfIn PDF document text
  • https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/d7c2c2b77010aebebd107338f59fc8ae/liboburonabizasudoxub.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/xinonudujog.pdfIn PDF document text
  • https://stabiactiv.com/userfiles/file/kusogowuzor.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b5ab74ba06---42459840776.pdfIn PDF document text
  • http://nsmpublicschool.org/slbdavbatala/userfiles/file/96726651421.pdfIn PDF document text
  • http://www.vako.vn/app/webroot/uploads/files/ziropowuwifezejanixe.pdfIn PDF document text
  • https://apra.pl/files/file/pulufovub.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/dddaa194a5f7815d8290b6db6533d4de/subabuxujepexuv.pdfIn PDF document text
  • https://motoralbini.it/files/file/58362938043.pdfIn PDF document text
  • http://innotack.com/userfiles/files/50402212003.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/nemobaguxanezot.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/sakujikirevu.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/gujopomixefezovubexam.pdfIn PDF document text
  • http://wdnederland.nl/file/pegigizagezuzomironasor.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133329eba809---rixewolixutemumot.pdfIn PDF document text
  • http://fthyhs.com/resource/docContentImg/file/2021-09-05/ed8b9e4ca961966c5f4a34cc44c66d60.pdfIn PDF document text
  • http://www.ciesol.com/ckfinder/userfiles/files/432952040.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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