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://laborke.ru/uplcv?utm_term=kinder+weihnachtslieder+texte+deutsch+pdf PDF link annotation

  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3922e10628---15310926905.pdfIn PDF document text
  • http://qualityspices.in/ckuploads/files/jibudivuveluwavelaxoki.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/28935003024.pdfIn PDF document text
  • http://kuresi-kaitori.com/upload/content_pic/files/49936950086.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6c6b267b3---22055820518.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/flus3rvsu8irgauhdn3ji1ja8e/lozakabimerizibisu.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/64928052211.pdfIn PDF document text
  • http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/tipojakexawebemoxisebiseb.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16077a866a7825---wulemalawapebekeguz.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/tarigowonupepexurifirave.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/21jrrp2sj1nlvu82tvn2bfas67/30345587768.pdfIn PDF document text
  • http://simmsfamilyreunion.com/clients/9/98/98d47f1658d09d39d77ba56043454c9c/File/rezamuxelodobezidavo.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee90833f029---sivusodepikulavujalujipep.pdfIn PDF document text
  • http://3suntech.com/UploadFile/file/20210709150500394.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/53af02d1676fddda2ba480623a313616/98881405367.pdfIn PDF document text
  • http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160876e1c58938---97504286271.pdfIn PDF document text
  • http://galsabino.it/userfiles/files/60073359133.pdfIn PDF document text
  • http://aircond.md/upload_fck/file/82768614229.pdfIn PDF document text
  • http://world-system-packet.com/userfiles/file/tojiwavamukidi.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/e471f1cc5afe028627f85a34677ddf89/88854138200.pdfIn PDF document text
  • http://boxshop.mn/userfiles/files/51506236334.pdfIn PDF document text
  • http://www.martiusstaden.org.br/js/ckfinder/userfiles/files/supupufakezixej.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160869284364cc---62618353498.pdfIn PDF document text
  • http://mobiliteit.nu/files/vakixabipesetexuteten.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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