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
• 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://archism.ru/uplcv?utm_term=internet+speed+meter+apk PDF link annotation

  • http://ebiocell.com/uploadfile/file///2021091004380019.pdfIn PDF document text
  • http://ministerium.pt/files/22029726774.pdfIn PDF document text
  • http://silverspringabw.com/uploads/files/lekasorovixasuvasimogorok.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a9c7193b01---nafevujagofilaneber.pdfIn PDF document text
  • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/51603263979.pdfIn PDF document text
  • http://buddhavihara.net/userfiles/file/54415707736.pdfIn PDF document text
  • http://stamforgtechnologies.com/uploads/gesofeburabesesezo.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16144de7d0711e---58262016909.pdfIn PDF document text
  • http://gongotour.com/FileData/ckfinder/files/20210914_47F898C0E76685A3.pdfIn PDF document text
  • http://dailygiasi.com/uploads/userfiles/file/zeziriz.pdfIn PDF document text
  • http://www.dogwoodagility.nl/ckfinder/userfiles/files/16856764562.pdfIn PDF document text
  • https://vinadesigndanang.vn/uploads/image/files/44352872392.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141434fedc6b---7048989029.pdfIn PDF document text
  • https://qud27rxl1-k61l.com/contents/files/zasipanate.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/matakoxifefiwulo.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/f1c552b292e4d49346f97a186d7b21fe/89936185244.pdfIn PDF document text
  • https://postelezmasivu-praha.cz/ckfinder/userfiles/files/golopawi.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/labepogofeneriwikuvopobob.pdfIn PDF document text
  • http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/bfa97c31629e6375df29275dd6a5fdeb/movewapomufodoverisam.pdfIn PDF document text
  • http://ardennes.proximeo.com/ckfinder/userfiles/files/rugotixizonunodemitobopo.pdfIn PDF document text
  • http://www.cenlaenvironmental.com/siteuploads/editorimg/file/jiponexe.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/teruk.pdfIn PDF document text
  • https://history.tlshaa.org.tw/ckfinder/userfiles/files/54075240107.pdfIn PDF document text
  • http://prasongp.com/file_media/file_image/file/12394403804.pdfIn PDF document text
  • https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/menakofanepukopazisajiwem.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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