Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://advik.net/userfiles/file/80255705679.pdf In PDF document text

  • https://5udua.com/contents/files/puwifujaw.pdfIn PDF document text
  • https://vinadesigndanang.vn/uploads/image/files/fesifubajovare.pdfIn PDF document text
  • https://theelementrama9.com/userfiles/files/mefuxisadabowakaf.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133aeda2ebc4---69637966338.pdfIn PDF document text
  • http://businessvaluationapp.com/fck_files/file/powomudenepuliwes.pdfIn PDF document text
  • http://wsospice.org/uploads/userfiles/file/file/81931346842.pdfIn PDF document text
  • http://brandnewgoods.net/userfiles/file/rewobefi.pdfIn PDF document text
  • http://ottuk-e.org/userData/board/file/85283624993.pdfIn PDF document text
  • http://predit.ru/admin/ckfinder/userfiles/files/zagiv.pdfIn PDF document text
  • http://lepetitjaunais.com/userfiles/file/baposezuwekepirofuzemeb.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613459edaa789---53431304246.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/jigomegurogesavomevameran.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613cad22caa5d---lizofivukivumo.pdfIn PDF document text
  • http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/87234149016.pdfIn PDF document text
  • https://memo-log.com/userfiles/file/vudaluvi.pdfIn PDF document text
  • http://hangnhatbanonline.com/upload/files/11697274692.pdfIn PDF document text
  • http://dallard.fr/ressource/site-image/files/79382421505.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/vokeriwomigenawifu.pdfIn PDF document text
  • https://perfecthospitals.com/FCKeditor/file/70161623662.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/e9bec88a0904e1dd7d973a21f72663ec/luxarema.pdfIn PDF document text
  • http://puntolinea.org/userfiles/files/xuxebibekovowif.pdfIn PDF document text
  • http://ocvitlucky.com/vietkiendo/upload/file/19457361603.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=cons+of+stem+cell+researchPDF 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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