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://nomylo.ru/uplcv?utm_term=total+war+three+kingdoms+trainer PDF link annotation

  • http://lhdrum.com/User_File/UpFile/file/20210904220234_c3VzYWd1cm96ZXphenVyaQ==.pdfIn PDF document text
  • https://episcopiaoradiei.ro/files/80153337912.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/xajamififamovobum.pdfIn PDF document text
  • https://maintogelonline2.com/contents/files/94021262819.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/2c169861a5786d13ad739e1276723ee2/68324937980.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/wuvazonifaponodenanejiwa.pdfIn PDF document text
  • http://imssp.by/data/images/fxeditor/file/93824475440.pdfIn PDF document text
  • https://bongkartuantakur.com/contents/files/5874155910.pdfIn PDF document text
  • http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/jukupexujirixaduku.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/9429thtt54im5cq3e0lmh1c8fg/dovajed.pdfIn PDF document text
  • https://pro-biomed.com/admin/userfiles/file/59444350723.pdfIn PDF document text
  • https://orrizon.ru/images/file/29599776418.pdfIn PDF document text
  • http://bfcy88.com/uploads/files/tuvomilabibibovotar.pdfIn PDF document text
  • http://avandcie-energy.com/ckfinder/userfiles/files/24978732270.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/24814594829.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305dd14eef4---muvemiwora.pdfIn PDF document text
  • http://burchiellati.com/file_fck/file/66661336001.pdfIn PDF document text
  • http://minipit.com/data/files/samilikogudedolik.pdfIn PDF document text
  • http://lenosada.sk/editor_uploads/files/lexokagigejawek.pdfIn PDF document text
  • https://ajambary.com/userfiles/file/47796458041.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/99739108402.pdfIn PDF document text
  • http://pass38.com/images/contentimages/files/28290896480.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/d7d5c8ffc31bb696f3fbaa0fd36374ab/fusikabutoremekepu.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210914134503825937ekjixr.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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