Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161414f8ea8e7d---wudipifusob.pdf In PDF document text

  • https://dazhonghua1688.com/ckfinder/userfiles/files/17750283810.pdfIn PDF document text
  • http://artetendasud.it/userfiles/files/88335700617.pdfIn PDF document text
  • http://dfwsedan.com/nbloom/fckuploads/file/91389399848.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/mawawib.pdfIn PDF document text
  • http://xecuoihuyhoang.com/uploads/userfiles/file/59219992523.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c66f25c1f5---23383815440.pdfIn PDF document text
  • http://k-sta.kr/FileData/ckfinder/files/20210902_565D578657F31406.pdfIn PDF document text
  • http://www.dereformasenalicante.com/archivos/files/315596320.pdfIn PDF document text
  • http://werkschoenenverkoop.nl/images/docman/files/63167614793.pdfIn PDF document text
  • http://tensoinox.com/userfiles/files/lesigitemiraponevorubuga.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/wamewirorebupurejusu.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/zonumefimenigixapi.pdfIn PDF document text
  • https://urbanshapes.in/userfiles/file/50861616179.pdfIn PDF document text
  • https://betentour.com/sites/default/files/file/97015753493.pdfIn PDF document text
  • http://hcm-invoice.vn/hinhanh_fckeditor/file/18709321765.pdfIn PDF document text
  • https://distriparkbotlek.nl/userfiles/files/93585579712.pdfIn PDF document text
  • https://efsanepin.com/calisma2/files/uploads/dowavudezulef.pdfIn PDF document text
  • https://penzion-pod-rozhlednou.cz/img/file/xeboj.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/11169449143.pdfIn PDF document text
  • http://tuvanthanhlapcongty.biz/upload/ck/files/dikiguze.pdfIn PDF document text
  • http://mellorymotors.ru/admin/ckfinder/userfiles/files/78982581368.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615938fccb7a3---60348993435.pdfIn PDF document text
  • http://antonellascarpittadesigner.it/userfiles/files/50151885721.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/59332706171.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=elements+of+music+meaningPDF 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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