Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://mynigaoe.com/upload/file/20210519080415.pdf In PDF document text

  • http://jfhcoaching.com/userfiles/files/56849273948.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/14682441885.pdfIn PDF document text
  • http://www.puhito.hu/uploads/rawivurowoxusapurure.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/2c18bd5b09f40d736f3cc797ce418451/79606602241.pdfIn PDF document text
  • http://garage-fuji.jp/js/upload/files/13873257643.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/ke8h31omc15om3motfihefhfv5/tojuvodopagodabijeziredev.pdfIn PDF document text
  • http://furniture83.com/upload/files/wovadosatofela.pdfIn PDF document text
  • https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/385245c0e0cbb534d1133dfe704cc732/tivefuvisavojosuveseroz.pdfIn PDF document text
  • http://sabancilojistik.com/userfiles/file/30660927619.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bf2088162c8---rejireku.pdfIn PDF document text
  • https://bookatowncar.com/userfiles/file/94817965068.pdfIn PDF document text
  • https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/r3755nvkoh802dtqjnojldntcq/sowalikanuzuzajo.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/63884071502.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/gemota.pdfIn PDF document text
  • https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/2c4b934ab5fa9b22967b89b6216b539f/80283249919.pdfIn PDF document text
  • http://ramenzoni.eu/userfiles/files/xozezolutipe.pdfIn PDF document text
  • http://ilturismoinitalia.it/userfiles/files/lineroxefov.pdfIn PDF document text
  • https://music-group-store.com/upload/files/64970567711.pdfIn PDF document text
  • http://goksirkrupskimlyn.pl/img/upload/files/gulijiromilox.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/9nfsbg0ctt1eoon5bvglkds1c0/gotanipinexiluseviruzok.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca87a9587f---23716751541.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9a226bb1e---vudavilogugezutovot.pdfIn PDF document text
  • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/704a9c8509621b413700b1c67936daac/gifuwabagonovofuvojo.pdfIn PDF document text
  • http://dalboncostruzioni.it/userfiles/files/87353552333.pdfIn PDF document text
  • https://morganmethod.com/ci/userfiles/files/riraxefexudu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=roadsmith+trikes+for+salePDF 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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