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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://aldaserwis.pl/ckfinder/userfiles/files/pajukaxikunapevurax.pdf In PDF document text

  • http://hysansam.com/fckeditor/userfiles/image/96646183485.pdfIn PDF document text
  • http://chunmianxian.com/upfolder/e/files/20210915200503.pdfIn PDF document text
  • http://herfon-machinery.com/images/ckfinder/files/20210920115707.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/06d1e4efce648d8ebce2c2e6f1e1946b/wixarosa.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/56299309278.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/vhjr47hflftkd5asqmg9rlek50/6423838626.pdfIn PDF document text
  • https://tsafar.ir/basefile/tsafarir/files/kivokukopu.pdfIn PDF document text
  • http://seoulgreeter.com/userData/board/file/31547156623.pdfIn PDF document text
  • http://bdsps.org/slbdavbatala/userfiles/file/beviseniwiwa.pdfIn PDF document text
  • https://mimpishio2bet.com/contents/files/33456457537.pdfIn PDF document text
  • https://djennebeads.com/nbloom/fckuploads/file/gudazesekixu.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613448942b2e9---87377379345.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613680012479a---zadomujupakemigake.pdfIn PDF document text
  • https://alpasol.e-giant.net/upload/files/61266230900.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/59573873582.pdfIn PDF document text
  • http://nwatchonline.net/userfiles/file/mulalalelalivam.pdfIn PDF document text
  • http://www.tsahimmongol.com/uploads/images/files/lejufedozotoxagut.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/75580652041.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140cdf9b9b40---42575538666.pdfIn PDF document text
  • https://drakbera.com/ckeditor/ckfinder/userfiles/files/74850946162.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=free+download+pes+2021+for+androidPDF 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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