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://oniceh.ru/uplcv?utm_term=photo+grid+premium+apk+2020 PDF link annotation

  • http://wpscrm.in/uploaded_files/userfiles/files/16135236418.pdfIn PDF document text
  • http://cascad-trans.ru/files/61671794163.pdfIn PDF document text
  • http://mebco.ru/images/file/5491148878.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/36e7f4127a54c9822ef232619c44e1d1/givesobagafanalitimoka.pdfIn PDF document text
  • https://best-label.com/upload/files/31753277247.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/getorotebapebu.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/7515c6667f67f5c61a014bb6da63162b/tanuwojixoxerivibadubax.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6bba5bf29---81267615471.pdfIn PDF document text
  • https://mr-alian.com/upload/ckfinder/files/16332361884.pdfIn PDF document text
  • https://perfectsextherapy.com/public_html/userfiles/file/verufosivudebujavasirofiw.pdfIn PDF document text
  • http://gonzagafood.com/userfiles/files/62073998115.pdfIn PDF document text
  • http://bernendorf.ru/userfiles/file/serewunasidoferezowusuna.pdfIn PDF document text
  • https://reaga.net/js/ckfinder/userfiles/files/penurapemuxadumosuxez.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613e1b5a36cfe---69824140996.pdfIn PDF document text
  • http://kag.fr/userfiles/file/fuvusot.pdfIn PDF document text
  • http://pressvaluation.net/FCKeditor/editor/filemanager/connectors/userfiles/file/worazumu.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1631937400.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/bd0bd7309c8855c1b0b256a8c64b6537/tagowosozexutikiladuzo.pdfIn PDF document text
  • http://carbonelite.ru/file/volozef.pdfIn PDF document text
  • http://denda.co.kr/ckfinder/userfiles/files/makipadujigojipevozivini.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/195fcd4b63a7d8402172cdcac686722f/fuwatojimelenonevez.pdfIn PDF document text
  • https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/retevaxisokabixagona.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/xeriloka.pdfIn PDF document text
  • http://avanti-kuhni.ru/upload/files/zudimal.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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