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
• 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 https://queure.ru/uplcv?utm_term=windows+10+compressed+500mb+download PDF link annotation

  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/nakomotonemis.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/xilopegumodem.pdfIn PDF document text
  • http://trivio.it/userfiles/files/52801262849.pdfIn PDF document text
  • https://gamaconsultores.cl/upload/file/nirubeduduwufubixojanizi.pdfIn PDF document text
  • http://bilcafe.it/userfiles/file/70447305035.pdfIn PDF document text
  • http://numismatika-nbkpdy.cz/userfiles/file/47913137854.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16136b37b6aa87---buninibuwunokikunaferimam.pdfIn PDF document text
  • http://tcsklife.com/filespath/files/20210907073333.pdfIn PDF document text
  • https://tavfelugyelet.megujuloenergiapark.hu/admin/ckfinder/userfiles/files/wewajaboten.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16136c583af44a---39190656862.pdfIn PDF document text
  • http://donkaew-furniture.com/ckfinder/userfiles/files/40814873545.pdfIn PDF document text
  • http://henanshuangxin.com/d/files/dikofexagegilajodaluzis.pdfIn PDF document text
  • http://artvideo74.ru/upfiles/files/8133482916.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/92214821444.pdfIn PDF document text
  • http://indigobaby.eu/upload/files/33428333360.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137756077941---35399620154.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/megiraguxajazasenixem.pdfIn PDF document text
  • http://www.s-prom.si/fileupload/file/tirezije.pdfIn PDF document text
  • http://chongthamphucthang.com/images/news/files/46309407125.pdfIn PDF document text
  • https://webrobogo.hu/kepek/xikewi.pdfIn PDF document text
  • https://genegurumiraclehealer.com/userfiles/file/duvufafe.pdfIn PDF document text
  • http://beiwendq.com/data/attachment/file/47778322383.pdfIn PDF document text
  • https://frigosztufi.ro/ckfinder/userfiles/files/47963700359.pdfIn PDF document text
  • http://art-lan.ru/uploads/assets/file/nusopusizeb.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613635cc29186---kukik.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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