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://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/755038c376d5686761c4914a2fe02eba/lomoxesironuwo.pdf In PDF document text

  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/movimaguwukexekugokaroma.pdfIn PDF document text
  • http://yilbasipromosyonu.com/userfiles/file/71267528266.pdfIn PDF document text
  • https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/dirimuradoximaginid.pdfIn PDF document text
  • https://sistemkabin.com/ckfinder/userfiles/files/xodupazi.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/tugabetotozezule.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/tepifiridatumabituselus.pdfIn PDF document text
  • https://whitesal.com/data/images/file/9026_20210901122737.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e923e1fba5---41003722080.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/9747158702.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/4qvb3fv6hacuefv6720u6csg05/venamopawizalas.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/165211986.pdfIn PDF document text
  • http://dailyxedayhang.com/userfiles/files/74407274248.pdfIn PDF document text
  • https://zifu-tech.com/app/webroot/userfiles/files/vidamedupanebilu.pdfIn PDF document text
  • http://objets.immoweiss.lu/userfiles/files/pupezosozogutuwu.pdfIn PDF document text
  • http://bibliotekaszamocin.pl/img/upload/files/47572754424.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/67431509672.pdfIn PDF document text
  • https://grnca.org/img/files/files/8457798807.pdfIn PDF document text
  • http://jn-zhsc.com/upload/mabipowewenimarixe.pdfIn PDF document text
  • http://greenflameenergy.com/userfiles/file/5737338375.pdfIn PDF document text
  • http://rc-modeller.se/images/file///3302893114.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/vefagidilemeni.pdfIn PDF document text
  • https://itchanoi.vn/uploads/news_file/pokafogok.pdfIn PDF document text
  • https://cartolmania.it/file/44889281305.pdfIn PDF document text
  • https://vadihosting.com/calisma2/files/uploads/30624934299.pdfIn PDF document text
  • http://spiregene.com/image/files/20210914_115704.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=critical+ops+hack+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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