Malicious PDF — malware analysis report

Heuristics 6

• 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 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://chcial.ru/uplcv?utm_term=logic+circuit+simulator+pro+premium+apk PDF link annotation

  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363e2c7fa8e---mesufalew.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/punizezarelele.pdfIn PDF document text
  • http://hicoweld.com/shop/fck_file/file/sokuralevuxigutoko.pdfIn PDF document text
  • http://myblindz.com/fck_user_files/file/3625428436.pdfIn PDF document text
  • https://bharatceramics.in/ckfinder/userfiles/files/99780577305.pdfIn PDF document text
  • http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/60829988998.pdfIn PDF document text
  • http://airmon.hu/images/files/26093845098.pdfIn PDF document text
  • http://hoitruyengiaocodocvietnam.com/uploads/image/files/71066952182.pdfIn PDF document text
  • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/pigegilarijitominutibija.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136870cd48bd---81154138324.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/lcbjao5a71ape1rp4t2qt1m5s5/lixifaxevolajuzemunu.pdfIn PDF document text
  • http://arkystudio.eu/userfiles/files/63337134922.pdfIn PDF document text
  • https://mylin.in/ckeditor/ckfinder/userfiles/files/nufujozap.pdfIn PDF document text
  • http://anael.fr/fckeditor/userfiles/file/fejuletozijujututafubita.pdfIn PDF document text
  • https://freshchannels.com/home/sites/freshchannels/public_html/ckfinder/userfiles/files/28404257562.pdfIn PDF document text
  • https://foodsafebox.com/ckfinder/userfiles/files/fudevekomarimobo.pdfIn PDF document text
  • http://egitara.com/upfiles/files/fanunefit.pdfIn PDF document text
  • http://duythuc-bearing.vn/uploads/userfiles/file/95777730907.pdfIn PDF document text
  • http://workontext.ru/media/file/semevukamokixamoguzas.pdfIn PDF document text
  • http://jysfh.com/upload_fck/file/2021-9-7/20210907100901211408.pdfIn PDF document text
  • https://saglamahsapkutu.com/img/editor/image/file/togidojesomexavik.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/nonakakikeguner.pdfIn PDF document text
  • https://fonixkoncert.hu/upload/file/borudazozinasafifanoku.pdfIn PDF document text
  • https://raguvosbaldai.manovonia.lt/images/files/92728680309.pdfIn PDF document text
  • https://echipamente-scule.ro/userfiles/file/89043942217.pdfIn PDF document text
  • https://rajatotogroup4.com/contents/files/59248440184.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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