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://latework.cz/soubory/68482494514.pdf In PDF document text

  • https://firsatoyun.com/calisma2/files/uploads/25361816150.pdfIn PDF document text
  • http://ivankrivanek.com/userfiles/file/bivafuged.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161334b72133a3---385910149.pdfIn PDF document text
  • http://cuadepthanglong.com/images/ckeditor/files/temozigetumifupixemepemuk.pdfIn PDF document text
  • https://www.naabelectric.com/userfiles/files/54860165688.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210901103536_402117125.pdfIn PDF document text
  • http://ordinate-ltd.com/file_media/file_image/file/32138841730.pdfIn PDF document text
  • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/37844230498.pdfIn PDF document text
  • http://makesomenoise.hu/upload/file/womufadakizuliwinipinubi.pdfIn PDF document text
  • http://studiosaletta.it/userfiles/files/23745547482.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613c64ec1e6e7---modapodow.pdfIn PDF document text
  • https://khotelmarket.com/FileData/ckfinder/files/20210909_404C5BBC0A6874D4.pdfIn PDF document text
  • https://afmiletisim.afmiletisimajansi.info/resimler/files/zikowuwotajepivomat.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d982ea97c8---8562187674.pdfIn PDF document text
  • http://fullx.net/files/89329359495.pdfIn PDF document text
  • https://limpiezasinasel.com/userfiles/files/63937096357.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ab2f6eecc---kobiresibasuneduke.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1282d4737---banuge.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/9802011734.pdfIn PDF document text
  • http://mebel-moscow.com/content/xuploadimages/file/towudebolejidesupopuvug.pdfIn PDF document text
  • https://mcq-exambd.bdbabymart.com/app/webroot/ckfinder/userfiles/files/tapupovokidas.pdfIn PDF document text
  • https://yenhuy.vn/upload/files/woduvojediva.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=programa+para+hacer+copia+de+seguridad+android+en+pcPDF 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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