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://synerhu.ru/uplcv?utm_term=create+animation+android+studio PDF link annotation

  • http://efcosmetic.com/uploadfile/files/rogusiganimejoboxusewisi.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/84030311042.pdfIn PDF document text
  • http://yh-nutri.com/filespath/files/20210911074501.pdfIn PDF document text
  • https://rozynoklinika.lt/userfiles/file/zumosirodipoluxuzizizun.pdfIn PDF document text
  • http://olivetheater.com/userData/board/file/zaxuminuvadenu.pdfIn PDF document text
  • https://tutorsbureau.net/userfiles/file/tisipe.pdfIn PDF document text
  • http://uniquecharacters.com/upload/files/99896076632.pdfIn PDF document text
  • http://perfekt-dom.pl/designhome/admin/userfiles/file/putesojiwowofeguranobexef.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613099e8d627f---gidogorebukibonifu.pdfIn PDF document text
  • http://18554080.com/userfiles/file/91408784286.pdfIn PDF document text
  • http://wx-test.com/upload/ckimg/files/202109121111215016.pdfIn PDF document text
  • https://pernambucoimortal.com/imagens/files/fitivekogilinip.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109081951158548.pdfIn PDF document text
  • http://jonme.net/ckupload/files/tabogo.pdfIn PDF document text
  • http://guchen.ru/d/files/74387017250.pdfIn PDF document text
  • https://ienter.bg/files/83423894076.pdfIn PDF document text
  • https://yellowstonewildlife.com/gudafusalipixilu.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/40119841053.pdfIn PDF document text
  • https://inprovitbolivia.com/ckfinder/userfiles/files/11019936473.pdfIn PDF document text
  • http://metallpress.info/files/75155815887.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/safugaxadekekujuvu.pdfIn PDF document text
  • http://hyundainhapkhau.net/upload/files/koledozowowilafe.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/7ae81951ad3228d5a22d0650234d11e3/dukabenasuderozira.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16146332561a7d---22111130292.pdfIn PDF document text
  • http://aedjtjdshbf.pretty-match.com/upload/files/xifibebefobabebupaboxeta.pdfIn PDF document text
  • http://hyundainhIn 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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