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://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/o092k7u7t2o9rd5qmhd3shaddk/xedosudajiku.pdf In PDF document text

  • http://banhangcongnghe.com/upload/FCK/file/jatalasavazudemiwufe.pdfIn PDF document text
  • https://facades-metal.ch/ckfinder/userfiles/files/fenerosapalapamorubo.pdfIn PDF document text
  • https://steammining.com/userfiles/file/tominokufagiwaxogokaduwu.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/brjltmmtcfoaf3ha5qjlfch1s1/76900010477.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/15198774163.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/jezewi.pdfIn PDF document text
  • http://queensparkview.com/image/upload/File/vidab.pdfIn macro / runtime command snippet
  • http://psychologyforeverybody.com/ckfinder/userfiles/files/bizunowibogumawarudojaf.pdfIn PDF document text
  • https://photofetimages.com/15359964901.pdfIn PDF document text
  • https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/jijapufexeputavi.pdfIn PDF document text
  • http://tinhdaurosa.com/Images_upload/files/27115476765.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/gozapuvuroran.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4fe85dd437---83765606426.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f15cf867692---xukiromobenalo.pdfIn PDF document text
  • http://www.jucadent.es/ckfinder/userfiles/files/pamin.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20210704041729.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/3765862130.pdfIn PDF document text
  • https://fl-forever.com/upfiles/editor/files/kajuvowadijakorugubigawu.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/giwuwefixulibame.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a128a920b33---59533793385.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/7b043e6634142e09a6854df11260b642/4849081440.pdfIn PDF document text
  • http://metabolit-plus.ru/files/file/65747566466.pdfIn PDF document text
  • http://hawks79.com/clients/85064/File/bekokazukalegij.pdfIn PDF document text
  • http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/21974949342.pdfIn PDF document text
  • https://www.campacinterIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=rscit+paper+pdf+downloadPDF 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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