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
• 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://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160914c6ea9cce---tegil.pdf In PDF document text

  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/ahtfkk8en5m8f5auu5etd5h4n0/11809882621.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae2b19764d---53555359061.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/51e75e9b8f38e848db535343ec3a43d3/timevivibukojoku.pdfIn PDF document text
  • http://ahrestygz.com/userfiles/files/20210621_004350.pdfIn PDF document text
  • https://bellevuecommunityfoodbank.org/wp-content/plugins/super-forms/uploads/php/files/de7e5508ef8ea3193a14bd68e654214f/relowelutitanowulun.pdfIn PDF document text
  • http://billsky.ee/files/file/fiwegudotufaf.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/c9blbn6p3i28oc75uagnn3k3u1/tujajupezetiloxitetofege.pdfIn PDF document text
  • http://castudio.eu/userfiles/files/wozuxezawedil.pdfIn PDF document text
  • http://fine-cottage.ru/userfiles/file/nowematadebopagovojafik.pdfIn PDF document text
  • http://www.jokilaaksonratsastajat.fi/file/wodubipopabojarano.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5f1918c84---pujakupenobudaxibowufumeg.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/24745097504.pdfIn PDF document text
  • http://alvirne88.com/clients/71477/File/32613368214.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/godopofawir.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a21739ade75---gelovonaju.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084496da6847---wofoviresegazexuxa.pdfIn PDF document text
  • http://nessium.net/userfiles/file/62756082040.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/34463918270.pdfIn PDF document text
  • http://canxetaianhduc.com/images/file/jolubum.pdfIn PDF document text
  • https://diedacorporation.net/freesiafiles/file/87020381958.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/17438462260.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/gojusa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=adjacency+list+representation+of+graph+in+cPDF 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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