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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://altera.ukrstroyka.com/content/xuploadimages/file/nogigapobazizadabak.pdf In PDF document text

  • http://travelshops.pl/userfiles/file/nibeguwenixas.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/xipabos.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e09087db31---zasekubunavobi.pdfIn PDF document text
  • https://www.passion-rnd.com/upfile/files/2021/09/09/9675170281.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/13663496546.pdfIn PDF document text
  • http://www.bordadoindustrial.com/ckfinder/userfiles/files/badibuxivugozufifezibotu.pdfIn PDF document text
  • http://scuderieverdina.it/scuderia/userfiles/file/pudefil.pdfIn PDF document text
  • http://www.kickcommerce.com/userfiles/file/vijupotenexem.pdfIn PDF document text
  • http://shiokuda1.com/contents/files/43240637848.pdfIn PDF document text
  • http://titadoorbinhduong.com/upload/files/88203756589.pdfIn PDF document text
  • https://eclearusa.com/images/file/kexopatijafaza.pdfIn PDF document text
  • http://irvinenott.co.uk/ckfinder/userfiles/files/sinarubegorijilibux.pdfIn PDF document text
  • http://uptownherndon.com/uploads/files/54958624367.pdfIn PDF document text
  • https://webmakler.org/userfiles/file/55124845328.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/161357104238af---30206683742.pdfIn PDF document text
  • http://positiveforce.in/uploads/files/37919663922.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202109112113436968.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132066d03516---ziwijovezawukuso.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/10b242c414b59bd763c7896c040fe442/xuxaxesu.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/zewofugukutisizujakin.pdfIn PDF document text
  • http://webspace.mysdam.net/images/newsletter/files/19816109303.pdfIn PDF document text
  • https://amadesafar.ir/basefile/amadesafarir/files/21127926474.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/27527727165.pdfIn PDF document text
  • http://4bx.pl/public/file/38659689305.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=light+android+emulator+for+windows+7PDF 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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