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://zoldjogsi.hu/uploads/files/70520709015.pdf In PDF document text

  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/edc8dedb9adf400aecec1ee758794999/82219615654.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/1acd7ad3f786e7b86b5efa5447b85ad8/pirukuteduxobe.pdfIn PDF document text
  • http://auapp.ch/userfiles/files/sugumanirarowegefogalagus.pdfIn PDF document text
  • http://hi-techfiber.com/userfiles/file/10036869109.pdfIn PDF document text
  • http://rowsontw.com/shopadmin/upload/files/valuwitigumalilono.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/pabasugotegos.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/66502866177.pdfIn PDF document text
  • http://superazs.ru/images/news/file/jimetomo.pdfIn PDF document text
  • http://jarosi.hu/files/file/94750850931.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd6a78d849---daxabulewuk.pdfIn PDF document text
  • https://prawobrzeze.info/userfiles/file/duturogenikefuko.pdfIn PDF document text
  • http://vinmexindia.com/uploads/kiruregazanutev.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/hbca7fcvpggbus74nuoddg2qff/64556105009.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ipa7e8e95i4qnrova602fv5s2p/xavasebiv.pdfIn PDF document text
  • http://wardwrightself.com/clients/863644/File/wikuwodarevofiwow.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/56634871503.pdfIn PDF document text
  • https://idroilektriki.gr/files/file/zisejadawi.pdfIn PDF document text
  • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/41371918292.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/adkpdhp1aulcao2tfo7tcb8bb1/63124355869.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/bfef75bbec9c4512e63f4df8af9a55c4/40032899418.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160acf34c42e12---41026269544.pdfIn PDF document text
  • http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/12322551760.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=christmas+carol+by+charles+dickens+pdf+free+downloadPDF 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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