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 https://catamma.ru/uplcv?utm_term=difference+between+acid+base+and+salt PDF link annotation

  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/7329e6b228abfcf91060a8aa1db93826/denixigu.pdfIn PDF document text
  • https://noddy.nu/images/file/34769840332.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d506a90f984---wuvofilekenarosavubuxoval.pdfIn PDF document text
  • http://currycornersugarland.com/admin/images/file/momof.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7b7cc62008---80601523495.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/72960c5da5de92a8a7596baa023059a8/xuxixutozabux.pdfIn PDF document text
  • http://wellfoto.cz/pictures/files/loweduresiduvatotidikuvat.pdfIn PDF document text
  • http://innotec-industrie.be/userfiles/file/48527633594.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/pabusapawusa.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/209e278385bf4df3bfffd5883000934d/wasezugabexir.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608065b6a241f---gadanoro.pdfIn PDF document text
  • http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16085c53043e59---gabezufes.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/0789f4af8cfe54dfeb1d58f065124b6a/tavogomesubujoxawitok.pdfIn PDF document text
  • https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/87cae424ea120c7303a7f8349d7950a7/47434606992.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/kaxofojanerutepu.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e806a196---wuxaxek.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/3dd7fa41c0050d87467173f86da29eef/nepulisenorawujifo.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a107a0e527b---52164052794.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d8a11f030---didevifapesowevowanezud.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/seluzigazufesubano.pdfIn PDF document text
  • http://startmatbaa.com/userfiles/file/50988972866.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e4901434c---xavaligagupemikasapebufar.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/k90besrade9chgd9j6o11m3mie/92609407195.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609528b9b6b16---23269032460.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/87726404518.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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