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://www.ecvbrass.ch/user/web/file/mexagilu.pdf In PDF document text

  • http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/24510711702.pdfIn PDF document text
  • https://olympicwroclaw.pl/zdjecia/fck/file/tuvojage.pdfIn PDF document text
  • https://tatsolarlight.com/uploads/files/38051337679.pdfIn PDF document text
  • https://kompaspt1.com/contents//files/1655152300.pdfIn PDF document text
  • http://udelimpa.es/ckfinder/userfiles/files/dedin.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/dbe63841294cb7beaac9d30efdd6f3d0/48203028285.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b734eb87438---fogudezanejegoleji.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/09hjqja8jmsvjneufqbg32l9v5/69968881707.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef69dd9465---13316619272.pdfIn PDF document text
  • http://93564497.com/userfiles/6197248563.pdfIn PDF document text
  • http://vizcsap.hu/files/file/bikesagokanuf.pdfIn PDF document text
  • http://ggmtc.net/userfiles/files/96540124449.pdfIn PDF document text
  • http://verzorgingsindex.nl/images/uploads/numuxisetuvezuve.pdfIn PDF document text
  • http://clinicaveterinariailmarzocco.it/userfiles/files/1714316312.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160ad0375a88b4---99461072404.pdfIn PDF document text
  • http://aotwresort.org/ckfinder/userfiles/files/84535925513.pdfIn PDF document text
  • http://fermobkorea.com/userfiles/file/20210825082724.pdfIn PDF document text
  • http://sistersaviopublicschool.com/userfiles/file/15912712210.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/nu78kls8l52tmkcv8s7gd81avb/42432781288.pdfIn PDF document text
  • http://podushka.by/files/files/wuzesinasujewowow.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20210705_194532.pdfIn PDF document text
  • https://farmaciasacoor.com/site/upload/file/74157479099.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=software+doc+to+pdf+converter+free+downloadPDF 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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