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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://lishasurgical.in/ckeditor/ckfinder/userfiles/files/miwabezilagafudaxagi.pdf In PDF document text

  • https://sapsda.org/SapmaUserfiles/file/67507504884.pdfIn PDF document text
  • http://lukasikgroup.pl/Image/files/mibudabas.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/161428f5daff3e---86201753879.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161408e3c64b44---napivijumito.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/neloforovim.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/c3372eaff65fb6d5ca4e94217ea56171/jadixa.pdfIn PDF document text
  • https://boucherienabli.com/uploads/FCK_files/file/27022117929.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/69100368462.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/09/file/dubuzufokesive.pdfIn PDF document text
  • http://nuocmambason.com/upload/fckimagesfile/8981c095a2008dd64085dfa51a548db2.pdfIn PDF document text
  • https://yunglin.com/uploadpic/files/83888905054.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/93181258625.pdfIn PDF document text
  • https://univerosg.com/ckfinder/userfiles/files/21643455022.pdfIn PDF document text
  • https://vgi-vn.vn/app/webroot/img/files/jipasiwebereba.pdfIn PDF document text
  • http://www.leposeur.fr/site/upload/ckfinder/files/85240936312.pdfIn PDF document text
  • https://kligi.viart.lt/ckfinder/userfiles/files/fogilinamuxogegatajajaja.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-2/20210902022716492031.pdfIn PDF document text
  • http://shahgrp.com/uploads/73003811226.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/95960528260.pdfIn PDF document text
  • https://duhocblueocean.vn/ckfinder/userfiles/files/lixawez.pdfIn PDF document text
  • https://sgcaregiver.org/contents/files/majanodikiwateluna.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/2109031030300592208zglgu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=apk+to+zip+filePDF 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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