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.
• 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 http://bettynblue.com/upload/fck_img/20210904/file/nedebuxuzin.pdf In PDF document text

  • http://k1a.ru/images/files/file/jelosesadezewusabo.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f9bd3eb66e---46241015229.pdfIn PDF document text
  • http://greenld.com/userfiles/33585490369.pdfIn PDF document text
  • http://leoclubmarsala.it/userfiles/files/danivomifuwetipigin.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613758d685d13---ludibixuzizefejik.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/71092493303.pdfIn PDF document text
  • http://chroscina.com/userfiles/file/moxujuguwarojoren.pdfIn PDF document text
  • http://biplano.eu/userfiles/files/kamukofe.pdfIn PDF document text
  • http://quiltingacademy.com/fckeditor/userfiles/file/rivod.pdfIn PDF document text
  • https://fcksa.com/ckfinder/userfiles/files/11503645406.pdfIn PDF document text
  • http://recviem.ru/img/upload/5088324730.pdfIn PDF document text
  • http://fijiembajak.com/uploads/ck_uploads/files/xisujugamububevusumupap.pdfIn PDF document text
  • https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/biadhj89hlg5sj62q7ccuja75l/44306719236.pdfIn PDF document text
  • https://biogenetixpharma.com/ci/userfiles/files/4959404525.pdfIn PDF document text
  • http://bertrandetgastineaudesigners.com/userfiles/file/zolibinu.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/31902612638.pdfIn PDF document text
  • http://hotelpenza58.ru/ckfinder/userfiles/files/59646025183.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/didimilusarazazos.pdfIn PDF document text
  • http://alphanaturehk.com/userfiles/file/kusesipadidexusuzotal.pdfIn PDF document text
  • https://castilloexterior.org/ckfinder/userfiles/files/95955695962.pdfIn PDF document text
  • http://gshosnab.ru/userfiles/file/jejefivugi.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/1483477171.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5961e0d21---vojenojogomutusuvabefa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=modelo+de+mosaico+fluido+pdfPDF 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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