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.
• 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
• 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://queure.ru/uplcv?utm_term=podcast+addict+apk PDF link annotation

  • http://artdental.hu/editor_up/48438024037.pdfIn PDF document text
  • http://martonelektro.hu/files/file/13968635721.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613561ae6ef2a---81894153371.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/34062351537.pdfIn PDF document text
  • http://lnimeina.it/userfiles/files/wifizuwixititoxame.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/45027532995.pdfIn PDF document text
  • http://bienbao.net/uploads/files/29796839708.pdfIn PDF document text
  • https://ahl2005.com/ckfinder/userfiles/files/72263382780.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614aea357b9f1---17074652732.pdfIn PDF document text
  • http://dpsnowodworze.pl/userfiles/file/30450045624.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/261914058.pdfIn PDF document text
  • http://khamtribacninh.com/images/files/remaduvejatu.pdfIn PDF document text
  • http://geluidsadviesnederland.nl/ckfinder/userfiles/files/39336139758.pdfIn PDF document text
  • http://softtox.com/new/userfiles/file/rukiwenupibusamogug.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16148b3a43bf5b---fotidedoma.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/a6d383e7dae701f1f8e56f20b64d903f/jatoritukaxikufo.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/wilunu.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/wamasogitorira.pdfIn PDF document text
  • http://capableapp.com/uploads/files/subizew.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/50432863784.pdfIn PDF document text
  • https://peusch.lu/userfiles/files/30025744154.pdfIn PDF document text
  • http://www.prctech-th.com/ckfinder/userfiles/files/61018676879.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/gogelabawenonoropidawo.pdfIn PDF document text
  • https://nangluongvada.com/uploads/files/pifutitozimibivup.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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