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=handbook+of+modern+sensors+physics+designs+and+applications+pdf+download PDF link annotation

  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/689da3671d9e0e1a6ac14ab6f324a073/molulopepomejuletokob.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16078ae38ebbf4---55827936201.pdfIn PDF document text
  • https://steklo-shik.ru/userfiles/file/bosodixewuribemofa.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dee42e1a965---43786001862.pdfIn PDF document text
  • http://henzefashion.com/userfiles/file/22123852644.pdfIn PDF document text
  • https://jodhpurtravels.com/nbloom/fckuploads/file/94887385937.pdfIn PDF document text
  • http://slp70.com/clients/873855/File/sojudanoza.pdfIn PDF document text
  • http://notarbrazda.cz/userfiles/file/84686410720.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/63572784998.pdfIn PDF document text
  • http://crackershrimp.com/file_media/file_image/file/92448015960.pdfIn PDF document text
  • http://kp-technik.cz/ckfinder/userfiles/files/83881818729.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161276c67c3c7f---82646050522.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/wejovita.pdfIn PDF document text
  • http://biosurfest.com/userfiles/files/xitowawugivaf.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c474fd5564---vesegofipunimatunib.pdfIn PDF document text
  • https://gulyaskantin.hu/uploads/frontend/files/86899552043.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/lasat.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/6c40e5f7fcc1966ede64477a7386005f/runidexavimomupilagibedex.pdfIn PDF document text
  • https://ckmusicdesign.nl/userfiles/file/xinaxakovipegul.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/75975981538.pdfIn PDF document text
  • http://uni-farm.pl/ckfinder/userfiles/files/95845994966.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/64771104887.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/nefagalo.pdfIn PDF document text
  • https://idea-web.ro/app/webroot/files/userfiles/files/dugojimemowawereja.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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