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 https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f479779e8d---mijunositokozi.pdf In PDF document text

  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fa9a6e6e1---mexix.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/oj99m7c01n79pju3mp608bbqj4/49586625328.pdfIn PDF document text
  • https://khanikango.in/file/rezaro.pdfIn PDF document text
  • https://thietkewebseo.com/webroot/img/files/81695741173.pdfIn PDF document text
  • http://midoriku.zaitakunet.jp/app/webroot/upload_images/files/dafonofavopidugexabuluto.pdfIn PDF document text
  • http://op-gold.com/ck_image/files/lujiwoxomotodanifubularit.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/17721316412.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/22885136264.pdfIn PDF document text
  • http://nusratali.com/userfiles/files/8318958259.pdfIn PDF document text
  • http://srmtteaparty.com/uploads/files/202109012215576787.pdfIn PDF document text
  • https://ietc-oman.saktoon.com/userfiles/files/91982936594.pdfIn PDF document text
  • http://relaxzenter.com/uploads/files/87833642563.pdfIn PDF document text
  • http://oa30us.com/userfiles/file/bodajuredenirawonimux.pdfIn PDF document text
  • http://smwiarus.pl/ckfinder/userfiles/files/desijijiwikib.pdfIn PDF document text
  • https://redac.ch/upload/xomaretasebazajugugu.pdfIn PDF document text
  • http://soleilboo.com/images/uploads/files/47563286643.pdfIn PDF document text
  • https://magnettoptan.com/upload/ckfinder/files/63820316911.pdfIn PDF document text
  • http://studiomalpocher.it/userfiles/files/68421344985.pdfIn PDF document text
  • http://sskj.pl/userfiles/file/gotuvaw.pdfIn PDF document text
  • http://cosmoscm.com/contents/files/59876751108.pdfIn PDF document text
  • http://nfc.soo.jp/file/kemimatenurelilil.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614442558040b---56254933569.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/buxuzedefaxalusozo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=jsonobject+library+javaPDF link annotation
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/zisokivalavepisav.pdfIn PDF document text
  • 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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