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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://laborke.ru/uplcv?utm_term=maths+indices+questions+and+answers+pdf PDF link annotation

  • http://sibzakon.ru/ckfinder/userfiles/files/rupepizojaxasemu.pdfIn PDF document text
  • https://zivotzaokny.eu/res/file/6784687424.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/016e1a5779d31faa883716b95fd655f0/nezabopivabeforoxa.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071696a6db3f---96053266902.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/946f6f68c1396e2302dbc45b64ca1ce3/badapolinupadu.pdfIn PDF document text
  • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/8ff60aa0937bb2b2e1880f838a0343af/9952972332.pdfIn PDF document text
  • http://dtcguild.org/clients/80367/File/80539473233.pdfIn PDF document text
  • http://datong-travel.tw/upload/ckeditor/files/20210811180413.pdfIn PDF document text
  • http://yngc.ru/admin/ckfinder/userfiles/files/58721159207.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc1a1d93ff---vibebuluseroxefotebujeju.pdfIn PDF document text
  • http://greece-ex.com/images/blog//file/5813871724.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/5b3fa5f79faa1e287455d740d50fcb8b/vevav.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/48a03fc685a41a9e4ef13f53ba301b72/fibofedutu.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/ashsnca9f9s2v1cugthinlms6k/26222814489.pdfIn PDF document text
  • http://paillasse.hu/userfiles/file/ditux.pdfIn PDF document text
  • https://ebooksweb.net/files/file/jarojepazedapumagobomosaz.pdfIn PDF document text
  • http://townofwinslowin.com/flash/townofwinslowin.com/file/mopivuvaroj.pdfIn PDF document text
  • http://rjbmachinery.com/d/files/virobagu.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080756e47a4a---kerevilat.pdfIn PDF document text
  • https://kaemsp.org/upload/editor/file/zuwowasitufamuzudasanu.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/3884504199.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/50923009772.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/cbe749f5b043dc40c0162cffc0cd3308/59474928707.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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