Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://chcial.ru/uplcv?utm_term=mi+box+4k+vs+fire+stick PDF link annotation

  • http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/xuvozok.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a065ca546---letelur.pdfIn PDF document text
  • https://shirbandifelt.com/userfiles/file/3957997152.pdfIn PDF document text
  • http://tribo.kz/userfiles/File/gedosumusozotepikopisevew.pdfIn PDF document text
  • http://bcslaw.hu/admin/fck_upload/file/83499778163.pdfIn PDF document text
  • http://podarox.ru/public/files/9048399032.pdfIn PDF document text
  • https://norservis.cz/files/files/juvorefikolesujusetivu.pdfIn PDF document text
  • https://phunhai.net/upload/files/90832782419.pdfIn PDF document text
  • http://vanharteyoga.nl/uploads/files/10616703650.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16153fe2500f3d---24824845008.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/99597373331.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/nisev.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/wesevipalimo.pdfIn PDF document text
  • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16133f8e164a09---17608668662.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/68313450441.pdfIn PDF document text
  • http://emirates-offshore.com/uploads/image/file/werowuxudimaxepo.pdfIn PDF document text
  • http://zentrumok.com/userfile/files/litememutak.pdfIn macro / runtime command snippet
  • http://wawa757.com/uploads/files/zakabux.pdfIn macro / runtime command snippet
  • http://sva-jeanroze.com/xmedia/file/sijiwizozotuta.pdfIn PDF document text
  • http://timecraftz.com/userfiles/file/betub.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/dodolimid.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/47613372222.pdfIn PDF document text
  • http://criollo-cocoa.com/userfiles/file/zujijejiwubovenokipilu.pdfIn PDF document text
  • http://patrick-vallot.com/upload/files/23701641889.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/6f96e6a33f75c113445825bc67a6bb14/nivas.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614f9e7de8e97---72013847212.pdfIn PDF document text
  • http://emirates-offshorIn macro / runtime command snippet
  • 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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