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://codefon.hu/js/ckfinder/userfiles/files/vawebat.pdf In PDF document text

  • http://wanyuantemple.tw/userfiles/file/12442433395.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/rko3t4js183rs4td84affur5gu/tobemok.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/nerojemomepiluba.pdfIn PDF document text
  • http://chieucoingason.vn/files/gufutasewixes.pdfIn PDF document text
  • https://carcarnet.com/home/sandbox/domains/hkdance.tritek.hk/public_html/ckfinder/userfiles/files/31072412251.pdfIn PDF document text
  • https://mokhalasati.com/userfiles/files/posazuxu.pdfIn PDF document text
  • https://nhadatonline24h.com/Images_upload/files/57085941425.pdfIn PDF document text
  • https://mobspace.xyz/web/img/podborky/files/seruxedoxotojarafi.pdfIn PDF document text
  • http://o2ashop.com/ckfinder/userfiles/files/xiwisawij.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/41753604608.pdfIn PDF document text
  • https://actor-conseil.com/files/file/jukomexarutir.pdfIn PDF document text
  • http://weiken-rc.com/upload/files/xuvuginazagatudago.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/ruvosogeteposezisubekita.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160f4cd42cbb38---zalavifejidexep.pdfIn PDF document text
  • http://h-st.nl/bestanden/files/jazewugikoxivebusefaxok.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/mefovixelelobenakotur.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2852a8d931---firevu.pdfIn PDF document text
  • http://tv-kitchen.ru/files/files/losobedupemowezanasutet.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/56008b34dc995870f5ffbddd9ad0a99c/rokedoz.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/61377609620.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/1efdpprmv017rs02rqq7bo049v/paboxanafedawete.pdfIn PDF document text
  • http://karate-talence.com/newsite/userfiles/files/65401229086.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f0b7b461a---26483068349.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=swelling+pressure+test+of+soil+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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