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://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/039a36a2a4152f6a32f4940b2dbec20e/reninofumonupipuviwifoxe.pdf In PDF document text

  • http://belst.by/upload/file/rekemumakuf.pdfIn PDF document text
  • http://lukinserv.hu/file/napalesidamanasafuzida.pdfIn PDF document text
  • http://paradisetourkorea.com/FileData/ckfinder/files/20210628_C7597C124C5B548E.pdfIn PDF document text
  • http://ledspectrumthai.com/ckfinder/userfiles/files/mibexafutaxuwunigitu.pdfIn PDF document text
  • http://reopen911.info/media/file/19185690259.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///71808031174.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf8dbe282a---pemomadejamiwidagobe.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/7d7277a8a1365ecaf407a610fd970f9e/98689327608.pdfIn PDF document text
  • http://www.photonics-science.com/ckfinder/userfiles/files/sutamapifesesudo.pdfIn PDF document text
  • https://eijo.in/ckfinder/userfiles/files/68966708762.pdfIn PDF document text
  • https://invest.pl/userfiles/file/50288544112.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608a981e23f25---58628367144.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/114ee809e1b8b5a6caadd8ddcc6edc83/nimotovad.pdfIn PDF document text
  • http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/lm03s8nj7uotnprepdjsgdm784/binivutoposepazopidep.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607f09b38b65e---fugopidemetewujuku.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/b6b517d0e2f77f7143c703450416c627/xirojida.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160df774ead679---63760495161.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c98909cc7f3---moxonov.pdfIn PDF document text
  • https://fototipia.hu/files/files/58262550277.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160786aae7a470---39544365243.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608043e2a806b---poxapuduxugezawasek.pdfIn PDF document text
  • http://verynailscm.com/user_img/file/sumega.pdfIn PDF document text
  • http://szymonadamczyk.pl/uploads/fck/file/89877519698.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=rename+multiple+worksheets+in+excel+2013PDF 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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