Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://colod.co.za/XSRYdR1H?utm_term=switzerland+flag+image PDF link annotation

  • http://studioambienteterritorio.it/userfiles/files/69549152786.pdfIn PDF document text
  • http://ashole.hu/UserFiles/File/21870691144.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/fusatisapevolemuvejupe.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f4f961096ce2c0a4ff5cffaa646805a3/tukivigon.pdfIn PDF document text
  • https://rjpexport.com/files/83707478658.pdfIn PDF document text
  • http://lexxyin.net/files/fckeditor/file/71428965741.pdfIn PDF document text
  • http://agppi99.pretty-match.com/upload/files/68372187356.pdfIn PDF document text
  • http://yameitecl.com/ckfinder/userfiles/files/20220203_085102.pdfIn PDF document text
  • http://mexvp.com/ckfinder/userfiles/files/sokepeporopi.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/vegumux.pdfIn PDF document text
  • http://zdk-engels.ru/upload2/files/zowago.pdfIn PDF document text
  • https://ymvii.com/admin/upload/files/79260330884.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/162232a8ab5d44---69882165087.pdfIn PDF document text
  • http://pomelieagency.com/userfiles/files/17892700240.pdfIn PDF document text
  • http://huiking.cn/uploads/file/12230911917.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f963a1d5ed8---pitigusavosegu.pdfIn PDF document text
  • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/03ed8580f4b1a1c6c0d46a6a0fa8732c/18940195863.pdfIn PDF document text
  • http://senioradviserab.se/admin/kcfinder/upload/files/padixezile.pdfIn PDF document text
  • http://jaqalsports.com/files/file/16389268777.pdfIn PDF document text
  • http://crystaltrade.hu/data/file/1175325455.pdfIn PDF document text
  • https://aimtronu.org/userfiles/file/purerobo.pdfIn PDF document text
  • http://www.kermaz.fr/js/kcfinder/upload/files/41484006970.pdfIn PDF document text
  • https://xn--80ab4bebq2d.xn--p1ai/upload/files/vovovi.pdfIn PDF document text
  • https://connatlas.com/home/conn/public_html/ckfinder/userfiles/files/misaxojimefemasesosek.pdfIn PDF document text
  • http://dralituncer.com/userfiles/file/5267916648.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fa8b6064ba4---46448933254.pdfIn PDF document text
  • http://profesniprukaz.cz/ckfinder/userfiles/files/bizij.pdfIn PDF document text
  • https://dfkcnc.shopper-store.net/file/file/18995577213.pdfIn PDF document text
  • http://magischtheater.nl/userfiles/file/takomuzotexokolesejejokik.pdfIn PDF document text
  • https://portalspam.media-informatika-mura.com/assets/kcfinder/upload/files/15188336461.pdfIn PDF document text
  • http://comercialardevolana.net/admin/kcfinder/upload/files/jetogebugeru.pdfIn PDF document text
  • http://clubmaniacr.com/campannas/file/zupotubejefixadasol.pdfIn PDF document text
  • http://kennycojewelry.com/userfiles/files/202202/1644995317.pdfIn PDF document text
  • https://ask-it.softki.com/Ask-it/UserFiles/file///nesilabezoselekum.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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