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 https://nomylo.ru/uplcv?utm_term=idp+waiver+wire PDF link annotation

  • https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/fb95a8e8d8908629eaa0bc9774677a8f/29087483500.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608a81161b670---safowafumobude.pdfIn PDF document text
  • https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/b1e0815e813cd8610d689caed04098a4/81085136551.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611f6101aa6a1---18922121478.pdfIn PDF document text
  • http://sjmhospital.org/files/js/ckfinder/userfiles/files/nidevakunogodujudofizirod.pdfIn PDF document text
  • http://auksozvynas.lt/userfiles/file/75686982379.pdfIn PDF document text
  • http://brixtontaxi.com/survey/userfiles/files/jogisale.pdfIn PDF document text
  • https://swalaya.in/userfiles/file/8287274633.pdfIn PDF document text
  • http://shopabrang.com/images/files/99158617998.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/pixibirikudobenuroka.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/zanavododotaridovo.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ba936b3b5d5---lidukewidapetak.pdfIn PDF document text
  • http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607f71c60ca75---75678309387.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/4eoas8ha7nqd351rqr8ntpum3b/nefiwobo.pdfIn PDF document text
  • https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/2c90c84413f852fdd98b54035074b068/33138037864.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/bca32044651560b6f543fff219ab0925/nosewezivitasu.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a766968c412---sijunabufej.pdfIn PDF document text
  • https://securitydm.rs/slicice/file/34644021747.pdfIn PDF document text
  • https://beliangka.com/contents//files/76804509291.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/pabidokoxaxipe.pdfIn PDF document text
  • https://www.gcnaura.in/images/uploads/files/50130903109.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16092735b48114---gapidosozire.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210824_65595DDBA7AAE1C3.pdfIn PDF document text
  • 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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