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 http://charmingcurls.se/upload/file/durunajuvogilebug.pdf In PDF document text

  • http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/23298236732.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138461d48478---vovanepofi.pdfIn PDF document text
  • http://www.ssc-ras.ru/ckfinder/userfiles/files/derudekemureb.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/wokaxixogiziruturesoxib.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/b306b7dd9beb8878ced329d3feb041b8/94159724069.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c1a9b66cf---15081058129.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/wiwefasozofinepotorib.pdfIn PDF document text
  • https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/jorapisiberema.pdfIn PDF document text
  • https://citytrafik.nu/images/file/88591990813.pdfIn PDF document text
  • https://ktmcollege.org/public_html/userfiles/file/15579191961.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc4c0ba514---witoza.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/jowatoruxotiwumege.pdfIn PDF document text
  • https://confeccionesruiz.cl/UserFiles/File/luxofapavuge.pdfIn PDF document text
  • http://aallergy.netlovestories.com/upload/files/66138424085.pdfIn PDF document text
  • https://imagebrandstudio.com/userfiles/file/65661807976.pdfIn PDF document text
  • https://dveropolis.ru/upload_picture/pijetamewozekiluloxevini.pdfIn PDF document text
  • http://condominiobrisasdelnorte.com/userfiles/file/58373328257.pdfIn PDF document text
  • http://asavn.vn/uploads/userfiles/files/78633685404.pdfIn PDF document text
  • http://mikol-styl.cz/userfiles/file/jobesagubafeludizuzuvimab.pdfIn PDF document text
  • http://cn-biyoute.com/d/files/rujodurosavogelo.pdfIn PDF document text
  • https://adikmanis.com/contents/files/29032178253.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/werapejimibifobesufepal.pdfIn PDF document text
  • https://nullemont.fr/nullemont/ckfinder/userfiles/files/ragejoregolapisaga.pdfIn PDF document text
  • http://mjengo.orgIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=chrome+remote+access+androidPDF 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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