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
• 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.
• 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://hospvetcentral.pt/site/upload/file/7506258448.pdf In PDF document text

  • https://everywheregenes.com/uploadfile/qu26_qu106_com/files/janesuvemad.pdfIn PDF document text
  • http://abbwingslynnhaven.com/uploads/files/9997109550.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16134a77cdcd42---levuzipowolikekudo.pdfIn PDF document text
  • http://geasit.it/userfiles/files/7841894652.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/dememolubuzelo.pdfIn PDF document text
  • http://qhzs88.com/admin/fckeditor_upfiles/file/2021091804303880554.pdfIn PDF document text
  • https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/k3l7j1fhj4oj8mpv3mjv6gosf4/38495319089.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/3f390b74c79a6aa4661aa62f6c081cc6/zakezidilesesedexo.pdfIn PDF document text
  • https://glearningsolutions.com/userfiles/files/kuduxubavadapo.pdfIn PDF document text
  • http://quocteanviet.com/img-chamthi/files/xumexujodefemozu.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/79858749466.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/1a23d0b10cb0820fa94e7e450f913492/duxelupara.pdfIn PDF document text
  • http://salman-is.com/userfiles/file/78365363178.pdfIn PDF document text
  • http://nakajima-ya.com/upload/save_image/files/44239336943.pdfIn PDF document text
  • https://beta.nhatthiengroup.com/files/uploaded/files/44374666805.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202109140030293850.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/94606607102.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/xosilikisuxibariwid.pdfIn PDF document text
  • http://urbariatprasice.sk/upload/file/96864822595.pdfIn macro / runtime command snippet
  • https://tarzminder.com/resimler/files/zodiregesofusojoji.pdfIn macro / runtime command snippet
  • https://wwa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/70918238092.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/5avm895a5t1vgkgkn1o8rurshu/91831928866.pdfIn PDF document text
  • http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210909231629.pdfIn PDF document text
  • http://cs-web-design.de/ablage/userfiles/files/19544546063.pdfIn PDF document text
  • https://driftwoodcc.comIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=android+games+for+10+year+oldsPDF 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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