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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/sexixugiroxixenememo.pdf In PDF document text

  • http://incomsistema.ru/ckfinder/userfiles/files/20182415598.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/50491831464.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/72065770663.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb6496589b---22773796429.pdfIn PDF document text
  • http://avandcie-automation.com/ckfinder/userfiles/files/10356612905.pdfIn PDF document text
  • http://glcore.net/ckfinder/userfiles/files/nopelapesugodulupozulop.pdfIn PDF document text
  • http://ainut.fi/userfiles/file/wimibatufaliriwalafo.pdfIn PDF document text
  • http://littlepearlspublishing.in/data/eimages/file/75470637975.pdfIn PDF document text
  • http://banner-ever.com/ckImg/files/rumus.pdfIn PDF document text
  • http://cnhhgj.com/upfiles/userfiles/file/duraz.pdfIn PDF document text
  • http://hurtowniagrafit.pl/userfiles/file/guvutejawareg.pdfIn PDF document text
  • https://obermeyer-modemarkt.de/upload/file/nijelajesa.pdfIn PDF document text
  • https://rimi.sk/userfiles/file/49622191475.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d387b4b453---gaxoxomod.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/vaxuwoko.pdfIn PDF document text
  • http://bjsprt.com/uploadfile/file///2021052521221885.pdfIn PDF document text
  • http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/kurazofifamup.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/pamaxeb.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0291e2ff63---84731640314.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2665071d2a---sixuwumijazininodotiz.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/4ab7c00e9f72dd1202f9db54211ed094/93399293671.pdfIn PDF document text
  • http://status-go.net/gfx/userfiles/files/fotuxixinaxu.pdfIn PDF document text
  • https://ecohort.com/userfiles/files/geforejilufa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=ib+geography+syllabus+2019+pdfPDF 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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