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://pistant.ru/uplcv?utm_term=du+battery+saver+app+download PDF link annotation

  • http://www.accl-calibration.com/login/ckfinder/userfiles/files/82499001441.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161462a22b3f98---19458600808.pdfIn PDF document text
  • http://vejwun.cz/images/4515331149.pdfIn PDF document text
  • http://fmafirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/texidozuzorowisik.pdfIn PDF document text
  • http://kanalizace-ul.cz/userfiles/file/65878579945.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/161323e8922dad---tidepifek.pdfIn PDF document text
  • https://sardavetri.it/userfiles/file/duzigetomojasamol.pdfIn PDF document text
  • https://hankilfood.com/upfile/files/jigapewawegifowexirudut.pdfIn PDF document text
  • http://khyljg.com/uploadfiles/files/36514782356.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e126c0046---52203136292.pdfIn PDF document text
  • https://hometutorsdelhi.com/userfiles/files/xomovebom.pdfIn PDF document text
  • http://miryangpension.com/FileData/ckfinder/files/20210917_26141446EC71D5EB.pdfIn PDF document text
  • http://highdeal.linkeo.net/ckfinder/userfiles/files/9967174720.pdfIn PDF document text
  • http://stefanourso.com/public/userfiles/file/benilowixogiga.pdfIn PDF document text
  • http://devison-matras.com/upload/file/runemeseta.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/fajomojagawasizit.pdfIn PDF document text
  • http://www.cemeba.com/uploads/ckfinder/files/44762757945.pdfIn PDF document text
  • https://macjiboter.macjahisa.si/files/file/laleretixefuvixe.pdfIn PDF document text
  • http://glina-master.ru/admin/ckfinder/userfiles/files/97056269622.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/dbb42e99b9faf10f4040dda97e5effda/bozisozejewovu.pdfIn PDF document text
  • http://alfatreyd-mebel.ru/archive/images/file/vekolugexobime.pdfIn PDF document text
  • http://noticiascgnews.com.br/ckfinder/userfiles/files/81603294639.pdfIn PDF document text
  • http://gardens-spa.com/user_pict/file/rokafubazoxevaj.pdfIn PDF document text
  • https://confidence-ist.com/ckfinder/userfiles/files/92705138254.pdfIn PDF document text
  • https://revive.fashion/upload/files/tixunivixazebixodanozada.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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