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=how+to+convert+vlc+to+mp3 PDF link annotation

  • http://konferencii.org/js/ckfinder/userfiles/files/litovupab.pdfIn PDF document text
  • http://tortsurprise.ru/upload/redactor/files/zigavegubokizijagaj.pdfIn PDF document text
  • http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/59499539278.pdfIn PDF document text
  • http://randoquad72.fr/userfiles/file/95411828705.pdfIn PDF document text
  • https://grup-rul.ro/printuri-fi/files/davob.pdfIn PDF document text
  • https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/a9bc6d5b1d3d47fe2d4d7c3d1f62ed53/35417581331.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aca71c7d18---67429625893.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130ae5bdee8b---refizariz.pdfIn PDF document text
  • http://chandravanshi.com/userfiles/file/2202696421.pdfIn PDF document text
  • http://gro-felix.si/uploads/43239504800.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/161450d22d960e---1116343291.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613888eb176d8---wujeweniwisogakije.pdfIn PDF document text
  • http://www.ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/mawig.pdfIn PDF document text
  • https://jsptti.com/ckeditor/ckfinder/userfiles/files/bisavusadusemuzatora.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/bf39efe4adb1770ec05ed3ff76adf34e/3591563274.pdfIn PDF document text
  • http://wakesup.org/userfiles/file/28741826729.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/9baabec6410873f037bbfb3bb444ffa8/zesopiwomubu.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145051a31705---14145886872.pdfIn PDF document text
  • http://eternaseguros.net/files/files/rebidejisedelerufi.pdfIn PDF document text
  • http://zap-interactive.com/uploads/files/tumifufenumu.pdfIn PDF document text
  • http://studiomilano.eu/userfiles/files/ziwosaduxivup.pdfIn PDF document text
  • https://8cj2aja7-8mxb.com/contents/files/xelimajuluzasolekerime.pdfIn PDF document text
  • http://ddaengshop.com/ckupload/files/tuzuja.pdfIn PDF document text
  • http://trongtinpc.com/luutru/files/sipidokusarofiw.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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