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 http://hzxf.com/images/upload/File/senel.pdf In PDF document text

  • http://maybomnuocdanang.com/uploads/image/files/mixad.pdfIn PDF document text
  • http://villabrown.it/userfiles/files/migoxusopamufu.pdfIn PDF document text
  • http://nagymester.com/userfiles/file/24118257399.pdfIn PDF document text
  • http://obraz-tlt.ru/userfiles/file/39121494859.pdfIn PDF document text
  • http://swissies.lt/ckfinder/userfiles/files/64247836914.pdfIn PDF document text
  • https://olivermilk.vn/tctt/sites/aaa/file/voxit.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145e68da68c0---deteji.pdfIn PDF document text
  • http://climtech.com/files/files/48159266077.pdfIn PDF document text
  • https://www.cygnusdvlp.in/nitdurgapur/uploads/editorUploads/userfiles/files/nosuduku.pdfIn PDF document text
  • https://ciela13.leaddeehub.com/userfiles/files/57953330373.pdfIn PDF document text
  • http://fractinvest.com/uploads/file/14744893557.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/40170064587.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613521b2aff81---tabunuwigisubasiloko.pdfIn PDF document text
  • http://stcforanebanglore.smcim.com/www/js/ckfinder/userfiles/files/guzoru.pdfIn PDF document text
  • http://yuilchem.com/userData/board/file/pajexolutotemafe.pdfIn PDF document text
  • https://webornate.com/viking1/uploads/files/21895240158.pdfIn PDF document text
  • http://bbbo.handyfriendship.com/upload/files/muviwa.pdfIn PDF document text
  • http://capableapp.com/uploads/files/xowunes.pdfIn PDF document text
  • http://hataylezzeti.com/resimler/files/54680055883.pdfIn PDF document text
  • http://veiligheidsslot.nl/ckfinder/userfiles/files/nobawezipegofavusekelud.pdfIn PDF document text
  • http://manu-transport.com/documents/file/17500204445.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbdf97ef42---54284497172.pdfIn PDF document text
  • http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/57683471678.pdfIn PDF document text
  • https://sharenkon.com/files/joluzubesimuneboxomive.pdfIn PDF document text
  • http://ngoinvest.com/uploads/ckfinder/files/47083219081.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=bad+piggies+unlimited+everythingPDF link annotation
  • https://tes-sys.com/uploads/ckfinder/files/20210919/16319879838037.pdfIn PDF document text
  • 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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