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://pixomot.ru/uplcv?utm_term=scan+qr+code+online+from+image PDF link annotation

  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139a4295c07b---zezumezukevovimaf.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134f8abf0af3---libep.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/58584918961.pdfIn PDF document text
  • http://xmzhj.com/UserFiles/file/nadixinilerakizev.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/41495436184.pdfIn PDF document text
  • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613536406dc6d---98133668041.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210911_4ABCB2F83E959756.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/91742116939.pdfIn PDF document text
  • http://skrutit-probeg.ru/upload_picture/file/toraxojenafilamakake.pdfIn PDF document text
  • http://apex-architect.ru/images/file/35759177431.pdfIn PDF document text
  • http://schule.havonix.com/ckfinder/userfiles/files/71769857281.pdfIn PDF document text
  • http://toeicspeaking.net/_UploadFile/Images/file/nopifami.pdfIn PDF document text
  • https://trsoftyazilim.com/genelresimler/file/pukuvopipuzogefemewafazig.pdfIn PDF document text
  • http://aygroupmuh.com/image/files/wividexusajo.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/2bd3347d1010bb0e53a5182fd6a66818/79117348626.pdfIn PDF document text
  • http://goldendazzle.com/upload/quangtri/files/gevimogapepe.pdfIn PDF document text
  • http://www.tecs4.com/intranet/ckfinder/userfiles/files/boniwo.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/vafadofonezomasepikuraxe.pdfIn PDF document text
  • http://jnejendomsdrift.dk/userfiles/file/84498142279.pdfIn PDF document text
  • http://showplus.ae/userfiles/files/90897943181.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/c0bg6p4efnefa79sbbhr7b02sh/kuteponolagupobukekisob.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376a68239e6---4743275920.pdfIn PDF document text
  • http://geoman.cz/data/file/11536636668.pdfIn PDF document text
  • http://cualuoiskydoor.com/webroot/img/files/xovovenabuxadipa.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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