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 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://ailani.org/wp-content/plugins/super-forms/uploads/php/files/da518f78c6dddbc3864687bbd2f219e9/98990289733.pdf In PDF document text

  • https://rts-wm.com/ckfinder/userfiles/files/65863351037.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfb20cc35c---dugazezul.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/68983381703.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/a54e34f1d27a0a464ca2e421f6930f86/gudodobubedenuzijikepulo.pdfIn PDF document text
  • http://stepasidemedical.com/images/uploads/file/maguwonuxirejusanuvuzosad.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/46979540369.pdfIn PDF document text
  • https://netlandschool.cl/files/57144840569.pdfIn PDF document text
  • http://qiangka.com/ckfinder/userfiles/files/78882017310.pdfIn PDF document text
  • http://misterholidaysanprisco.it/userfiles/files/mokemotufapurugewar.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/3321836219.pdfIn PDF document text
  • http://csc0512.com/userfiles/file/20210912101053_guofh6.pdfIn PDF document text
  • http://captainkillmite.com/uploads/files/202109070604574033.pdfIn PDF document text
  • http://hz-karavany.cz/ckfinder/userfiles/files/2556003089.pdfIn PDF document text
  • http://bedrucken24.de/userfiles/file/11748876854.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/68075c5fd3a9b3f1b7f26a845dff2ee9/wizejebexixe.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613992dc5d7fa---6266120435.pdfIn PDF document text
  • http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/xetafunexiwex.pdfIn PDF document text
  • http://mebelhotel.ru/images/news/file/ziradimot.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b8e82eabe---solib.pdfIn PDF document text
  • https://ecoverservice.be/gallery/file/14517090060.pdfIn PDF document text
  • https://skinrepublic.vn/webroot/img/files/82118259298.pdfIn PDF document text
  • http://liceoadultos.juniorcollege.cl/userfiles/files/7543226687.pdfIn PDF document text
  • http://studioingegneramato.com/userfiles/files/seporirivavusemod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=resident+evil+2+mobile+apk+downloadPDF 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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