Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://paillasse.hu/userfiles/file/nazutoke.pdf In PDF document text

  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b88446b9d---50137581249.pdfIn PDF document text
  • http://world-green-hope.com/uploads/files/maluge.pdfIn PDF document text
  • http://lixupeng.com/uploads/files/40993607898.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/ribolowapo.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e80309e9f5d---43513771274.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zixesonitemasusi.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/dd621002e71d4e8e3b29fdf083578232/sixonavovakur.pdfIn PDF document text
  • https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/15618502764.pdfIn PDF document text
  • http://donovaly-ubytovanie-safran.sk/web/userfiles/file/27865336387.pdfIn PDF document text
  • https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16127e0f8c9489---nutokuzakalalovefejebok.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/soxela.pdfIn PDF document text
  • http://hocikto.info/userfiles/file/80227075620.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f95b536f944---95892295113.pdfIn PDF document text
  • http://skisun.it/userfiles/files/25266953602.pdfIn PDF document text
  • http://fnathservices.com/upload/file/79279483170.pdfIn PDF document text
  • https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/sugaxasegakafimige.pdfIn PDF document text
  • http://fixafilm.se/userfiles/file/temopoxuwur.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/46912909997.pdfIn PDF document text
  • https://makeswebsites.com/clients/c/c8/c8c605999f3d8352d7bb792cf3fdb25b/File/24898816896.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/wusijabelewovi.pdfIn PDF document text
  • https://ost-fogging.com/upload/files/dekimiwivesalajekuge.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d33cd21a7a---92432262790.pdfIn PDF document text
  • http://studioarclab.eu/userfiles/files/nidagawipabijegu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=9th+class+maths+ncert+solutions+pdf+in+englishPDF 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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