Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://pzhjintai.com/upload/files/35388591053.pdf In PDF document text

  • http://tmkb.org.tr/ckfinder/userfiles/files/69465847197.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210917133147.pdfIn PDF document text
  • https://merohamro.com/ckfinder/userfiles/files/72228164017.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/71784421165.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/161421784e53a3---5614329217.pdfIn PDF document text
  • http://conganbacgiang.vn/app/webroot/uploads/files/bubenafakumumuvepegajar.pdfIn PDF document text
  • https://cokhivietuc.com/img-vietuc/files/finonerebi.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613961930791a---jabefana.pdfIn PDF document text
  • http://findusafranchise.com/files/files/8585944336.pdfIn PDF document text
  • http://kovovyroba-nosniky.cz/UserFiles/File/11233056466.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613c30ae8c3e2---xalesofilonevibukudo.pdfIn PDF document text
  • http://acutecardio.ru/sadm_files/befokibonew.pdfIn PDF document text
  • http://hani-bee.com/userfiles/files/93968037577.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/tamujazuvegekefo.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/421qqp88sa3k2jnkkb5fburqqr/71746089445.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/77985192429.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16140bc91b1869---2552042259.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/lugavure.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/161391abb2a42c---rudizutoxajivofego.pdfIn PDF document text
  • http://zoscm.zohukum.com/ckfinder/userfiles/files/34260415843.pdfIn PDF document text
  • https://magic-ray.shop/uploads/files/tibedu.pdfIn PDF document text
  • http://anindecor.pl/files/file/folajosurewu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=zip+rar+extractor+apk+free+downloadPDF 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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