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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://philabc.ru/uplcv?utm_term=solitaire+apk+mod PDF link annotation

  • https://bda.ch/ckfinder/userfiles/files/letetegexugizazor.pdfIn PDF document text
  • https://anne-berger.de/sites/anne-berger.de/files/fkcfile/gamobin.pdfIn PDF document text
  • https://adurucui.com/ckfinder/files/65371231835.pdfIn PDF document text
  • http://qdcmd.com/data/files/50497527070.pdfIn PDF document text
  • http://dangkykinhdoanhkiengiang.com/upload/ck/files/14843101360.pdfIn PDF document text
  • https://ontogepszerviz.hu/editor_up/12840115310.pdfIn macro / runtime command snippet
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613592e4226a8---35417002080.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/u5519sna3b4d0k04vkhqbbife1/mikasolabodozujavifi.pdfIn PDF document text
  • https://www.emcp-pmce.ca/_includes/ckfinder/userfiles/files/tadororufejuboso.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7d72c25a9---zibivevap.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/64228186880.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/sekigobivole.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/gotikefagubixebetuwevali.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613250dc6da99---50927367405.pdfIn PDF document text
  • https://weborder.cloud/userfiles/file///48546499910.pdfIn PDF document text
  • http://synergytaekwondo.com/click2buy_newp/userfiles/file/51865325727.pdfIn PDF document text
  • http://veterinariomauracotti.it/userfiles/files/busagofiwazijenija.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/161427e837478a---41782153638.pdfIn PDF document text
  • https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135427b1bd4a---61024268842.pdfIn PDF document text
  • http://jlsxjy.com/right/UploadFile/file///2021091618013073499.pdfIn PDF document text
  • https://copacndg.com/images/uploads/files/pusetaj.pdfIn PDF document text
  • https://threadworx.com/thread/admin/uploads/file/69167754697.pdfIn PDF document text
  • http://dworbieland.pl/userfiles/file/16650301006.pdfIn PDF document text
  • http://czminghe.com/upload/files/juxidogura.pdfIn PDF document text
  • http://dangkykinhdoanhkieIn 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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