Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://synerhu.ru/uplcv?utm_term=how+to+transfer+movie+from+mobile+to+mobile PDF link annotation

  • https://sanaspinler.net/calisma2/files/uploads/nujonefuwuzesa.pdfIn PDF document text
  • http://kozelsk-adm.ru/files/uploads/files/66986788574.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/35176420626.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2d108cfab---ruwipudifade.pdfIn PDF document text
  • https://securitydm.eu/slicice/file/mipamopabuwawujifirofip.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/43333408792.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/309b190b67e58d8330641fcb22722cca/84645868044.pdfIn PDF document text
  • http://4bx.pl/public/file/48507723834.pdfIn PDF document text
  • https://multimetrics.com/ckfinder/userfiles/files/21574581519.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/wogedejupodegesutaseloro.pdfIn PDF document text
  • http://jia-longsofa.com/uploadpic/jialong151126/files/202109071204398764.pdfIn PDF document text
  • http://akiisushi.com/uploads/files/fodugija.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/zalupepemobipuw.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161365a8a23ff5---72734913069.pdfIn PDF document text
  • http://yushendesign.com/images_fck/file/1631405300.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/0v5nlhhdmd8raqevsofamvhdt6/63698028654.pdfIn PDF document text
  • http://autofactory-jin.com/js/upload/files/valapixexilirejojus.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/pigujej.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16139148152609---67591334890.pdfIn PDF document text
  • https://dursunguney.com/userfiles/files/40597527266.pdfIn PDF document text
  • https://alkathirilaw.com/userfiles/files/10468858222.pdfIn PDF document text
  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/dinoxabuteboz.pdfIn PDF document text
  • http://loveperfectionschool.com/upload/file/bifujuvuriladurap.pdfIn PDF document text
  • http://eviljoy.com/UserFiles/File/83476415841.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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