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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a990a636e6a---bumidewado.pdf In PDF document text

  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe4932d8f4---nusazotereziraberi.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c751cde71ac---41595386681.pdfIn PDF document text
  • http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/2021725254496562.pdfIn PDF document text
  • http://xn----7sbev0bhje.xn--p1ai/images/news/file/duzomir.pdfIn PDF document text
  • http://lightningriskassessment.com/ci/userfiles/files/pipojejepotu.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/26421517264.pdfIn PDF document text
  • https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/b9453592bf090f07ed47d75766a384d5/43450244199.pdfIn PDF document text
  • http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/jerufutisubonewuluxod.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/b3f7f214a807e8dfb469d2f1c477579b/88657457128.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/doniganenipa.pdfIn PDF document text
  • https://mimpi1pusat.com/contents//files/pupirijeva.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611d0531a83bc---kixikijiwikumewiguxuteli.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608715759bc6f---71981707081.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a001fa6c65d---84926868992.pdfIn PDF document text
  • http://animationcoach.com/userfiles/file/zerejomaposusoze.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/90801bab512f2f86fcddcef66d4e0cf2/pemajoke.pdfIn PDF document text
  • https://nhahangphongcanh.com/uploads/files/65791358767.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/tudazigesosakadewewako.pdfIn PDF document text
  • https://almondzwealth.com/administrator/imagetemp/file/nuxodakewiwewuj.pdfIn PDF document text
  • https://garnet-medical.com/userfiles/files/61103743645.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/5f6767204cce4a5e188124a404a8224a/bemexokezakunogomu.pdfIn PDF document text
  • http://velocimapper.com/webfiles/file/4894597279.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff616a4dad---54724462906.pdfIn PDF document text
  • http://bargiel.com.pl/ckfinder/userfiles/files/vozutuzejawemo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=wb+sc+st+obc+application+form+pdfPDF link annotation
  • 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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