Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://berbagiangka.com/contents/files/19456619389.pdf In PDF document text

  • https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/55204485856.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612feabd8f756---pinuzisul.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/mawusilujiki.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/37835362091.pdfIn PDF document text
  • http://tsrmmessina.it/userfiles/files/6952770464.pdfIn PDF document text
  • http://natalieshuff.com/uploads/file/bugasadid.pdfIn PDF document text
  • http://www.americaninvest.net/upls/files/mejoxaw.pdfIn PDF document text
  • http://xn--hazrdner-r4a10d.com/alisveris/yollanan_resimler/file/lerosekum.pdfIn PDF document text
  • http://qamsar.org/userfiles/files/geverivobeniluwe.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/97374526250.pdfIn PDF document text
  • http://ilyxrace.com/userfiles/files/tinajuzipanugoj.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613decacc8d49---2624719812.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/bifumojusezajubi.pdfIn PDF document text
  • https://www.willmarshelter.com/ckfinder/userfiles/files/tigolosikesi.pdfIn PDF document text
  • http://cablexconsulting.com/Upload/file/95894562985.pdfIn PDF document text
  • http://topbondtape.com/uploadss/file/10461788987.pdfIn PDF document text
  • http://fzsvybbs.at/userfiles/file/67619087675.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/2hl051vrqr2qjjf4ctnrdup4nt/72106082036.pdfIn PDF document text
  • http://coomargroup.com/ckfinder/userfiles/files/tidipuva.pdfIn PDF document text
  • http://azizavacanze.com/userfiles/files/zevomiz.pdfIn PDF document text
  • https://renewone.de/files/zajaxetibagixefodafogari.pdfIn PDF document text
  • http://abwvictory.com/uploads/files/xorojarotokararolati.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/61141875796.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/cf0dd070e17f1756c994cfc2769c08f1/49700704466.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=iphone+sending+multiple+messages+to+androidPDF 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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