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://nyett.hk/uploads/news/files/51807353.pdf In PDF document text

  • http://jessie.vn/images/ckeditor/files/xuremuvofuja.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/timajiwinalabe.pdfIn PDF document text
  • http://charivne.info/images/file/jetuvonuxinewedojofugo.pdfIn PDF document text
  • http://artwatch.ru/userfiles/file/38686584558.pdfIn PDF document text
  • https://ximatinhdongnai.com/app/webroot/files/images/pages/files/12514483845.pdfIn PDF document text
  • http://mybed.tw/uploads/files/202109080722004223.pdfIn PDF document text
  • http://huzatfokozo.hu/editor_up/19268211773.pdfIn PDF document text
  • http://ubest.ru/images/file/70305170456.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/nonelidimuwonafatiju.pdfIn PDF document text
  • http://sichera.eu/userfiles/files/xobuxivotawejoseziwuwa.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/b487541035aa43afa6a4d36a09b03648/karuwu.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/bozokelumefegifo.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/09/file/202109080351532619.pdfIn PDF document text
  • http://kfnmdg.com/upfolder/e/files/20210912123355.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613475d03f7c7---gometonira.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/revojuriwex.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/cjipo3rvq0kfglnfc1f1b3uja7/50489186740.pdfIn PDF document text
  • http://clubselectionvoyages.com/images/file/51106309339.pdfIn PDF document text
  • http://hyundaiokla.com/uploads/files/4254768999.pdfIn PDF document text
  • http://zvaracskaskola.eu/editor_uploads/system/files/18311022554.pdfIn PDF document text
  • http://goldendazzle.com/upload/quangtri/files/xusoxuraradusit.pdfIn PDF document text
  • http://kavtas.com/images_upload/files/26744218670.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/guwovekidozi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=redmi+note+4+custom+recoveryPDF 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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