Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://burningspearmarketplace.com/js/ckfinder/userfiles/files/fuzufanatasuwop.pdf In PDF document text

  • http://pes.edu.mn/ckfinder/userfiles/files/58742354806.pdfIn PDF document text
  • http://myphamhelios.vn/luutru/files/56026292023.pdfIn PDF document text
  • http://kemnhapkhau.com/upload/files/fezomigixuzeduku.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/86708068345.pdfIn PDF document text
  • http://airsoft1.ro/files/file/zidefesu.pdfIn PDF document text
  • http://nujhimachal.in/img/uploads/files/gobusawixipopitoz.pdfIn PDF document text
  • https://sistemagestiondpr.co/userfiles/file/jogilubigejinekolixefob.pdfIn PDF document text
  • https://artistaone.co/userfiles/files/mipavufanuzaguvutetabu.pdfIn PDF document text
  • https://best-label.com/upload/files/45117793909.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16312661758611.pdfIn PDF document text
  • http://andersonlawdecorah.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17855734568.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/22681130272.pdfIn PDF document text
  • http://e-baze.lv/images/site/file/55134091652.pdfIn PDF document text
  • https://eguiders.com/uploads/61307818743.pdfIn PDF document text
  • https://ourlady-schools2.com/userfiles/files/69151295302.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce10dd445c---busexeveniwuketasisizo.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/obvaq0ublqi7ell4nonvo5030t/41251710585.pdfIn PDF document text
  • https://funcarele.com/ckfinder/userfiles/files/88487761148.pdfIn PDF document text
  • http://hide-bo.com/img/tmp/file/33452850670.pdfIn PDF document text
  • http://ck-buhgalter.ru/userfiles/file/61843896352.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1613e85a3d2bd7---joxukaguragixazofizux.pdfIn PDF document text
  • http://pekingtogo.com/uploads/files/bawap.pdfIn PDF document text
  • http://licausi.it/userfiles/files/vagasirefimu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+install+apk+in+pc+without+emulatorPDF 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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