Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=xam+idea+pdf+download+class+9 PDF link annotation

  • http://studio-orlandini.com/userfiles/files/41221726173.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/242b2f7fa9d45fb1e1c3d2bbcd13bf33/kulukisafeseba.pdfIn PDF document text
  • https://dammesliepas.lv/ckfinder/userfiles/files/89773451760.pdfIn PDF document text
  • https://congtydaihai.com/upload/files/wadivifabisesemat.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160befd9dd2314---4801158864.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/f9r09c1uqlb12v5c8pk4g5iq6i/12378414428.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/vasonujisasuwox.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/95240265723.pdfIn PDF document text
  • http://berallebags.com/UploadFiles/FCKeditor/20210905002919.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160c9345c209ea---76952997421.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609441a499663---7029855100.pdfIn PDF document text
  • http://apsons.eu/files/file/46733659395.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/tobajevapekada.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/leviwokujoxaf.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/76853139271.pdfIn PDF document text
  • http://booklandbooks.com/userfiles/file/78834690560.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/89925d0773734d48f381d908ebc032b7/joputi.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160f2a2da3874d---40817908146.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/zexowofaxo.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/07b93598d619c5b9811f73704b84c0d6/5862419794.pdfIn PDF document text
  • https://censcakmu.org/board/file/files/17882899399.pdfIn PDF document text
  • http://bhartiyambeohari.in/userfiles/file/ratoka.pdfIn PDF document text
  • https://sherwoodchamber.org/ckfinder/userfiles/files/77896565432.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/tuneper.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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