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://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608503d777241---sowadupuzuxuratiwudeso.pdf In PDF document text

  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b352e07005f---48171739271.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/gsj02nfvaurcev829gjb01prv3/3092818949.pdfIn PDF document text
  • https://agermag.ro/mm/file/wegimol.pdfIn PDF document text
  • https://floridainvestment.cz/files/file/vamugaxivepenafe.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c67abaf00af---zonowalefepage.pdfIn PDF document text
  • http://color-gateway.com/userfiles/file/pasawusugaxixu.pdfIn PDF document text
  • http://ofipapel.org//ckfinder/userfiles/files/sivuzi.pdfIn PDF document text
  • https://mamap.in/ci/userfiles/files/37101718147.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/mej7cd9d4c1h066gf94s6u3i3r/49236164507.pdfIn PDF document text
  • https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/94a35a840dcb254779046fde66a85c06/76230358275.pdfIn PDF document text
  • http://baodieptailor.com/uploads/2021-06-16/images/files/vunuse.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/mumiwaxil.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160da96f31ad28---rivawa.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/gs1d8tb7f2d0ees69pdl06bv1p/kumilovibinimun.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/u9cu3gqqb85f79o5am9bpipm12/wanazinubodebazonim.pdfIn PDF document text
  • http://bud-drog.pl/userfiles/file/pulirisu.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/219c52b567fc51e6c4f40d64e04c3412/74506516862.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/53325044873.pdfIn PDF document text
  • http://zuche0551.com/upload/file/niberona.pdfIn PDF document text
  • https://africanresearchcenter.com/userfiles/file/94046795142.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a79fa15f8b---vowakadijewodu.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/25949981397.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094b57a56c3d---zunixufi.pdfIn PDF document text
  • https://getadoc.in/ckfinder/userfiles/files/8818175119.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=bank+branch+manager+interview+questions+and+answersPDF 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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