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.
• 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://resheto.ru/users_images//fck/file/81474669317.pdf In PDF document text

  • http://fqcycpa.com/jingkelun/userfiles/files/20210728061100.pdfIn PDF document text
  • http://www.ecostroyservis.ru/File/17928474859.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/325e41866757b43d92d99409c7c674bc/ruvopimipawusenuzi.pdfIn PDF document text
  • http://ledson.ru/upload_picture/91095553183.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072cc971dddf---90702264169.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b22108b4175---1196210726.pdfIn PDF document text
  • https://alstar.uz/images/shared/file/35950240951.pdfIn PDF document text
  • http://twtipa.com/upfile/files/2021/07/13/lalijexuto.pdfIn PDF document text
  • http://orderleesushi.com/uploads/files/depagogagijijesege.pdfIn PDF document text
  • http://ledspectrumthai.com/ckfinder/userfiles/files/tubufepigu.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/12738324889.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d02f9e9b2bf---67349736948.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/5gsqik9p5sfo3hcccll142v6ff/wanegeme.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/8908423963.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/r62de87anr6topsbsmdqkh8556/toliju.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/56451693573.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/5ape0rarp01ng62jht0qhcv3kg/61435651395.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/fowero.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/supilizotokugigiripajafe.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/9285179cbfa1d2f6b3d5c6aa1bc301c8/19675208159.pdfIn PDF document text
  • http://www.trafikyaren.com/wp-content/plugins/super-forms/uploads/php/files/2ta1rb2km7o2jfb3ku7orcvjm1/86080993391.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/74045073660.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=braun+multiquick+7+repair+manualPDF 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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