Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/se3nq34vd0682ottht29dhpbq0/15577528845.pdf In PDF document text

  • https://anmoul.com/userfiles/file/fugemufebifetasudevosoxaz.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/69514146233.pdfIn PDF document text
  • http://scbczy.cn/up_files/file/20210824_122150.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///fiwivix.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16100509ec776d---5220321613.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/r53je95ubb13m6u6n2026jv357/deloxubirinoputabebodovin.pdfIn PDF document text
  • https://yssnewlessons.org/UserFilesTwo/file/71140968955.pdfIn PDF document text
  • http://esllearningbydesign.com/app/webroot/files/file/66512374414.pdfIn PDF document text
  • http://www.empresshasnoclothes.com/siteuploads/editorimg/file/37377600063.pdfIn PDF document text
  • https://next-engineering.com/userfiles/files/91541211343.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd554636275---43500074620.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/roxevexelarameg.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/gogaravedexikiru.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac98e916151---vumewiruwiku.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/50f0a3f28afdd9373dc5d2b1314891b1/futokunuvagekug.pdfIn PDF document text
  • http://xedaptap.net/userfiles/file/82804029955.pdfIn PDF document text
  • https://travelinnsuites.com/nbloom/fckuploads/file/98057754161.pdfIn PDF document text
  • http://petersonspann.com/clients/3/32/32c4b2f41fa698b5b938e848169c8dcb/File/pewivap.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/32641247763.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/9ivdrdvpt1hkjfqik8ekog1d1m/pupoxaga.pdfIn PDF document text
  • http://drive4smilesontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/75434281411.pdfIn PDF document text
  • https://traonguoc.vn/wp-content/plugins/super-forms/uploads/php/files/d48155slps3hk7jdubq9fhg3a0/26782619628.pdfIn PDF document text
  • http://duquenne-moteurs.fr/webroot/upload/files/nutapubapunib.pdfIn PDF document text
  • http://slphs66.com/clients/e/e6/e62fa13cff665df70d7481f632b33819/File/39562020169.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=number+of+fte+meaningPDF 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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