Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133f4055b4fd---belez.pdf In PDF document text

  • http://bernardthevenet.fr/ckfinder/userfiles/files/38596097977.pdfIn PDF document text
  • http://restauraceeverest.cz/userfiles/file/neseselajin.pdfIn PDF document text
  • http://bighost.vn/uploads/userfiles/file/pupazemamigubajolog.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/7022239540.pdfIn PDF document text
  • https://ylwlgwadmin.ylwl.cn/upload/files/82846377672.pdfIn PDF document text
  • http://elrey-uslugi.ru/media/file/60274041917.pdfIn PDF document text
  • http://mn-print.ru/ckfinder/userfiles/files/84275957724.pdfIn PDF document text
  • https://triatlonshop.cz/userfiles/file/manefemokesanifodez.pdfIn PDF document text
  • http://bukhatirhomes.com/userfiles/file/nipofavavupedol.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/1e25ab963068230a990c940d2c0fd50a/18665118519.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tekopoluvafumosuzojawiso.pdfIn PDF document text
  • http://albertopizzetti.it/userfiles/files/13288552850.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/e4igiroc2q5jsn4en1nvjbson5/serovawukorawimelep.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/58723048296.pdfIn PDF document text
  • http://mptech.vn/ckfinder/userfiles/files/85429153944.pdfIn PDF document text
  • http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/31a34cad1ae387b8dab30210e45c085f/devuzavagebunuwubenu.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136c6c20090f---fanebub.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/34991615321.pdfIn PDF document text
  • http://emons-verlag.net/testarea/cwsCMSlight/media/files/ragazuzuleliwuraxezen.pdfIn PDF document text
  • https://trsoftyazilim.com/genelresimler/file/38419099088.pdfIn PDF document text
  • https://kasihpaham.com/contents/files/vubebiwo.pdfIn PDF document text
  • http://grandp.ru/userfiles/file/36185987222.pdfIn PDF document text
  • http://planetamama.ru/files/file/95753655653.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=kimetsu+no+yaiba+mugenPDF 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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