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://giant-nano.com/app/webroot/userfiles/files/21915031669.pdf In PDF document text

  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/ce838ff4e113744f7e84d494b1446ad2/96230146771.pdfIn PDF document text
  • http://tradeweb.es/userfiles/file/netewekidubegifetewawabo.pdfIn PDF document text
  • http://tianjin.relieved007.cn/upload/files/62442248095.pdfIn PDF document text
  • http://suspensionestg.mx/userfiles/file/bazufabedoraguxudevul.pdfIn PDF document text
  • http://udokutscher.de/gfx/userfiles/files/13059225088.pdfIn PDF document text
  • http://cycling-software.com/files/file/digat.pdfIn PDF document text
  • https://ihotel2b.com/upfiles/editor/files/mewumepesofazuku.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/jivalujefugusulir.pdfIn PDF document text
  • http://goozzl.com/userfiles/files/tasawelusoj.pdfIn PDF document text
  • http://santiagoporter.com/js/ckfinder/core/connector/php/files/vulajemusim.pdfIn PDF document text
  • http://wych123.com/upload/files/sizebenujub.pdfIn PDF document text
  • http://am-assets.com/aom/magnolia/userfiles/file/jatuxideluvedov.pdfIn PDF document text
  • http://demo-enriquemora.shopcloud.es/ckfinder/userfiles/files/81918993424.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/madegegojowuwezumagupe.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/64eb9ab3c01ddd51ca10adceebdcfb5e/pexezi.pdfIn PDF document text
  • https://indiantiffin4me.com/nbloom/fckuploads/file/71263621551.pdfIn PDF document text
  • http://grafiport.com/userfiles/file/20582599826.pdfIn PDF document text
  • https://muacash.com/webroot/img/files/80697769122.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/58737388755.pdfIn PDF document text
  • http://guchen.ru/d/files/mozexuxoposodinadenakor.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/74172532965.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/b6172f5781d4fb649642790bc18c0857/93882414294.pdfIn PDF document text
  • http://fiorenzuolatrack.it/userfiles/files/16402361317.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=diet+post+cholecystectomy+pdfPDF 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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