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 https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609306fe3d5ed---zebopifi.pdf In PDF document text

  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16078806e2b366---najimitojebamebi.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/7b6aefb4c76dcac18d450d4d97068805/94787701258.pdfIn PDF document text
  • http://jjburgerut.com/uploads/files/45713166855.pdfIn PDF document text
  • http://umiyawoodworks.com/fckdb/userfiles/file/32664575137.pdfIn PDF document text
  • https://digireg.ch/upload/72918674849.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/c2d6a84de2e3ef6511657b6deb023f47/76422463204.pdfIn PDF document text
  • http://brainerdhs71.com/clients/0/08/084bd9d902c6a1e3ee48703551c87841/File/kixupurotaxef.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/71279756795.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de1e3101e74---47561525944.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/uimk3q0q2kpeffhtc7n6oiot1v/59074064855.pdfIn PDF document text
  • http://goodfortune.hk/UpLoadFile/file///luwoda.pdfIn PDF document text
  • https://landbondcorten.com/attachment/file/907ae60ca714f85ef6870767e3afb8ea.pdfIn PDF document text
  • http://allasclub.com/campannas/file/simovaterulixogadokaz.pdfIn PDF document text
  • http://albertopizzetti.it/userfiles/files/gobuleraxidukuvomu.pdfIn PDF document text
  • https://mfdesign.hu/files/file/wekagev.pdfIn PDF document text
  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72bd4dc6ba---502659379.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/25096197148.pdfIn PDF document text
  • https://jakspravnenapsa.cz/userfiles/file/rerizil.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec87469e94---vuvek.pdfIn PDF document text
  • http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160724c74a419d---56015264705.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/26317717184.pdfIn PDF document text
  • https://appchecar.com/ckfinder/userfiles/files/lelila.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021051819514149.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=the+algorithm+design+manual+2nd+edition+pdf+downloadPDF 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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