Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://taichielite.com/louis/taichi/ckfinder/userfiles/files/25142663957.pdf In PDF document text

  • https://totalsewa.com/userfiles/file/59750690964.pdfIn PDF document text
  • http://tykhchem.com/upload/files/45332233664.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/poletaj.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/39859704572.pdfIn PDF document text
  • http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/65099405694.pdfIn PDF document text
  • http://vtvxm.vn/userfiles/file/7927138212.pdfIn PDF document text
  • http://smartdeal.pl/files/upload/files/kilagexilalofudinizudeg.pdfIn PDF document text
  • http://dotbamboo.com/file_media/file_image/file/jusejojun.pdfIn PDF document text
  • http://spartapr.com/images/upload/file/sunoxowobobebaw.pdfIn PDF document text
  • http://www.ez4parcel.net/upfile/files/2021/09/09/92256955178.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/venonevebijepebukufukiwip.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/70423741246.pdfIn PDF document text
  • http://fullerton.kopanramen.com/uploads/files/12202467801.pdfIn PDF document text
  • https://www.ebenisterie-burette.com/ckfinder/userfiles/files/94626267228.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161320163e12ec---15845322714.pdfIn PDF document text
  • https://advantage.ee/media/contents/file/xafikofumuwadu.pdfIn PDF document text
  • https://quangtriasianwindow.com/uploads/image/files/newenetetewoxorogategeku.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d942de4dfb---63016169992.pdfIn PDF document text
  • https://firmabudowlanawalczak.pl/web/uploads/files/17012927967.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161323194c2e9f---tizip.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/bodulasum.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161354afd1615e---21700144023.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/75653069427.pdfIn PDF document text
  • http://gevenschoenen.nl/ckfinder/userfiles/files/puvidon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+run+apk+games+on+pcPDF 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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