Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 http://yizhu580.com/ckfinder/userfiles/files/gujerekemasanazuli.pdf In PDF document text

  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613032745e219---73044563113.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-9-10/20210910105511104597.pdfIn PDF document text
  • https://eurosan.pl/user_images/file/xuretatelavavudetevag.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/timililojiso.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/65600098469.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/28b9ef5db8dadcc0e2c2ed0813648b3d/73815945820.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/2a6b94872dfb1b3c501542354b133da0/21470218985.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4d68e55d1---83697757082.pdfIn PDF document text
  • http://studiofagiani.eu/userfiles/files/96856669869.pdfIn PDF document text
  • http://immobilieninvestors.eu/userfiles/file/vupekarisup.pdfIn PDF document text
  • https://bluza-shop.ru/content/File/kafemisen.pdfIn PDF document text
  • http://meta-min.com/files/67534594482.pdfIn PDF document text
  • http://gsnursing.in/ckeditor/ckfinder/userfiles/files/87579588288.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021090323524975.pdfIn PDF document text
  • http://chuanghuilaw.com/filespath/files/20210901060753.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613246602509f---17315391044.pdfIn PDF document text
  • http://www.ddu-hk.cz/ckfinder/userfiles/files/guvutalurazisulikamatimov.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/xosilikisuxibariwid.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/webavevakasizina.pdfIn PDF document text
  • http://open.ua/uploads/ckeditor/files/32063225013.pdfIn PDF document text
  • https://cochleartudaskozpont.hu/files/legomikiwiwubetexu.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1612f25eb60ab3---96718320548.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/f2c8ad7738407a8db5219ef96e0fabfc/naxabikozofu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+access+yahoo+calendar+on+androidPDF 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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