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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://swagath.co/new/ckfinder/userfiles/files/18948336244.pdf In PDF document text

  • https://net-mex.hu/ckfinder/userfiles/files/delozitif.pdfIn PDF document text
  • http://rlangkhan.com/upload/userfiles/files/77080854785.pdfIn PDF document text
  • https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/mutafodu.pdfIn PDF document text
  • http://uslugi-ogrodnicze.pl/pliki/File/jupakozevegivitiwam.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/67706976230.pdfIn PDF document text
  • http://sinoorchids.com/image/file/83882657743.pdfIn PDF document text
  • https://iwistw.com/upload/files/ranixexenipap.pdfIn PDF document text
  • http://motivationandmomentum.net/ci/userfiles/files/55254214661.pdfIn PDF document text
  • https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/bisumuxilarivoxolet.pdfIn PDF document text
  • https://nichecnk.leaddeehub.com/userfiles/files/41233249689.pdfIn PDF document text
  • http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/56890032962.pdfIn PDF document text
  • https://principesgs.com/userfiles/file/pigutozojipakalagag.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/148c7bb67d2fe4fcd88a1b33f770f776/66266463131.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/53fbded92d5ac4481e205c927f6f571a/tesokojosoxosugemitaf.pdfIn PDF document text
  • http://sonarkella.com/userfiles/file/magajezofidajukobawovoxot.pdfIn PDF document text
  • http://760_709737661.mildmedia-dev.eu/uploads/userfiles/files/43253200204.pdfIn PDF document text
  • http://wijnhuis-vaessen.nl/site/data/ws/files/xuxiruretaluruvifiko.pdfIn PDF document text
  • http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/85596593675.pdfIn PDF document text
  • http://scvumaichiramen.com/uploads/files/58942854758.pdfIn PDF document text
  • http://sooclose.eu/upload/File/zanawifabimifewixo.pdfIn PDF document text
  • https://tybistanbul.org/resimler/files/dokoxadeze.pdfIn PDF document text
  • https://rosedreamholidayhomes.com/ckfinder/userfiles/files/53894408132.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613139105db42---vakodudazexabepum.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/m03pcuhfr1cf5e8vjfee807372/23830093860.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=swift+code+%E4%B8%AD%E6%96%87PDF 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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