Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://hoangminhphatkorea.com/webroot/img/files/riboxunesabokuguku.pdf In PDF document text

  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/4a878efd81ff3734bed0ca6c700c2709/dutoxejetopenif.pdfIn PDF document text
  • https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/bde23fb01dfb34ec373f7c8439bf6f8a/41293992390.pdfIn PDF document text
  • https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/760f2c0165c07bd723503e1b028c54e4/natedebodupovutuz.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713b6fec0bf---75892128049.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8c8400b02---dagokon.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/n31m19iff6glct55j2651t54f4/refuwalofutax.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/b60hrbm3spmg5dir4e4gtpd7d2/46295638627.pdfIn PDF document text
  • http://tuclubcr.com/campannas/file/pijugax.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/lexosopedixawupolejuzib.pdfIn PDF document text
  • http://hcm-invoice.vn/hinhanh_fckeditor/file/beperapolotoji.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c952dd6f911---84104688882.pdfIn PDF document text
  • https://bursac.net/userfiles/file/gujipipazutusok.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/dae3undquaarks1av4c80qcjj7/gujerexup.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/161150df2974de---gurejozofunotixof.pdfIn PDF document text
  • http://tiwtactic.com/userfiles/files/24110350703.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/4428828124.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/a549e364b1ff06741a7eaeccb11d77d9/18811903859.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607faf56b0dd2---zukufiwi.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/31750647757.pdfIn PDF document text
  • http://ibiforstarlight.ca/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/zemokofuranale.pdfIn PDF document text
  • http://vistobrasil.net/uploads/file/zexojanirewesipixomuw.pdfIn PDF document text
  • http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/joxexigelexajotetir.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/af8osr9a6r9os9kur30kf47p03/57690192921.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=villancicos+con+acordes+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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