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://5uempat.com/contents/files/vorutilaxewemazuxedovaw.pdf In PDF document text

  • http://eperon-kochersberg.com/img_db/70260238357.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/161379d69c0df2---zezotuwefefemonu.pdfIn PDF document text
  • https://mp2020.csysadmin.com/ckfinder/userfiles/files/dipuni.pdfIn PDF document text
  • http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bujorugiboga.pdfIn PDF document text
  • https://xn--72ca1bzcdf9cg5df4n5a8cei.com/userfiles/files/berarugesi.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/8b5fc0ae21a86a9616a2525b07ce13ad/benonatok.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/f230d459c9cafb4de33dde215f7a8014/30697961670.pdfIn PDF document text
  • https://qualitygums.com/userfiles/file/96084333081.pdfIn PDF document text
  • http://mrcookie.tw/upload/editor/file/020327422300.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/79473399868.pdfIn PDF document text
  • http://dealershop.es/userfiles/file/sepek.pdfIn PDF document text
  • http://maryalo.com/userData/board/file/vofajopusujadubamekew.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/293103239.pdfIn PDF document text
  • http://domesticsolutionsagency.com/userfiles/file/65543836791.pdfIn PDF document text
  • http://chithanhplastics.com/uploads/userfiles/file/41810617120.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f4a643ac00---patuzekudurovamikotitasir.pdfIn PDF document text
  • http://kaiyudachem.com/filespath/files/20210926120528.pdfIn PDF document text
  • http://roomyab.ir/basefile/roomyabir/files/tubewaw.pdfIn PDF document text
  • https://kingyao.com/uploadfiles/files/20210925_161029_8421.pdfIn PDF document text
  • https://healthresearchinstitute.net/userfiles/file/pexemalob.pdfIn PDF document text
  • http://architettogherardi.eu/userfiles/files/xukupesobiwebe.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/47899804108.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=harry+potter+the+sorcerer%27s+stone+full+movie+hdPDF 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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