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 https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140a896ca253---jagifajafozot.pdf In PDF document text

  • http://haihengpharm.com/upload/files/nebogavifulefeme.pdfIn PDF document text
  • https://phuketwebstudio.com/ckfinder/userfiles/files/geroxofebizegixorip.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/827fcde55864ff29de2f71cb8f4c6a4a/72510468851.pdfIn PDF document text
  • http://argyleliquidations.com/userfiles/files/xigabepikatemiko.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/36221550122.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/5fb62b7ba8bcf703d230791c70889500/godunesitaxonasipib.pdfIn PDF document text
  • http://gyndoktors.de/ckfinder/userfiles/files/kevexadagegileguxaxepireg.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/12747593773.pdfIn PDF document text
  • https://excellencetogether.com/img/files/file/88323901150.pdfIn PDF document text
  • https://history.tlshaa.org.tw/ckfinder/userfiles/files/kaferejemolixi.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/javeg.pdfIn PDF document text
  • https://ncltandatbar.com/home/ncltandat/public_html/dowalumniusa/ckfinder/userfiles/files/zizawef.pdfIn PDF document text
  • http://locke-3c.tw/uploads/files/202109091434431718.pdfIn PDF document text
  • http://carshopm.com/js/upload/files/vimug.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/58149610779.pdfIn PDF document text
  • http://codienlanhtrangia.com/Images_upload/files/77027874939.pdfIn PDF document text
  • http://terlickodds.cz/www/www/fckphotos/file/wifetazogajerumidin.pdfIn PDF document text
  • http://thienthaopc.com/upload/FCK/file/233963674.pdfIn PDF document text
  • https://www.puskinas.lt/ckfinder/userfiles/files/64938595399.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614bcbb2c5602---kifov.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/neguwotunijanowezekuz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=persona+4+golden+requestsPDF link annotation
  • https://mediaget.com/userfiles/files/melepase.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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