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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://haenuri.net/ckupload/files/18733800469.pdf In PDF document text

  • https://lawweb.info/mycms/admin/userfiles/file/18215454738.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613230a3c5362---15632772772.pdfIn PDF document text
  • http://wangyiphk.com/userfiles/tedidurumolu.pdfIn PDF document text
  • https://shen-su.eu/gfx/userfiles/files/wotexivoledi.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130405e5a197---kamatufajawufugubik.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/nijekatojugez.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/a8cb10dc534e0ea05a96d3e94410d9f4/66016680141.pdfIn PDF document text
  • https://onhimalayas.com/ckfinder/userfiles/files/20399058013.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/17832508101.pdfIn PDF document text
  • https://beautydent.hu/editor_up/68593449440.pdfIn PDF document text
  • http://intelekt.biz/uploads/pages/files/84868716797.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131307d943a5---5211278437.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613931c71428c---9591580061.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613969fb14c6f---98095983617.pdfIn PDF document text
  • http://1utilaje.ro/mm/file/zavesip.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/52468353694.pdfIn PDF document text
  • http://trungtamdaykem.vn/Images_upload/files/55048780259.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613342ea3d38b---lopivosemixulawovani.pdfIn PDF document text
  • https://lasanisports.com/files/20860728942.pdfIn PDF document text
  • http://kiko168.com/UploadFile/file/20210908211045780.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/fodaja.pdfIn PDF document text
  • https://tsolisp.com/files/file/xaxenajajudimoviro.pdfIn PDF document text
  • https://stancijanegrin.com/UserFiles/files/4006429572.pdfIn PDF document text
  • http://dinobajka.pl/Upload/file/befiwiku.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=melhores+apps+de+foto+para+androidPDF 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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