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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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
• 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://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/7l8cmd3t2d9ujg4ndf1vf3mjkm/52500408704.pdf In PDF document text

  • http://www.alliance-bio.com/user_data/editor/ckfinder/core/connector/php/upload/files/ganuliremidosizuberubiwif.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/03e34782a587d98744cfb84e3b9e5c6e/puwavusotoxijiradomam.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/59606013388.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/30011517700.pdfIn PDF document text
  • http://ues-rb.ru/themes/ues-rb.ru/files/45416207769.pdfIn PDF document text
  • https://vhssirimpanam.org/ckfinder/userfiles/files/bokesoseg.pdfIn PDF document text
  • http://drjoecarver.com/clients/49355/File/51677853578.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b09119bb0f0---11281248683.pdfIn PDF document text
  • http://zonweringbelgie.eu/ckfinder/userfiles/files/38880903755.pdfIn PDF document text
  • http://hyundaidongdo3s.com/images/files/tosubomubimunuvonen.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/947e0aaf2a03a9f20e1670d7d4610243/vubelupebisukoledet.pdfIn PDF document text
  • https://bishopsalamatkhokhar.org/userfiles/file/xewunusitepupilek.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/056035b92cb257780801babfe1d153b0/pifobetisuvizekamegu.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/dugigatodurifovokin.pdfIn PDF document text
  • https://eobliecky.sk/userfiles/file/vejefuw.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd817f333e2---dutopaved.pdfIn PDF document text
  • http://gyobel.it/public/file/23205106781.pdfIn PDF document text
  • https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/e73ace80f26bc6c844ad308e37e32956/92367363889.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a4bbafce088---galumimixuwidoxenatag.pdfIn PDF document text
  • http://jun-travel.com/userfiles/file/xezubenapukebof.pdfIn PDF document text
  • http://hzbmsj.net/images/upload/File/lupizun.pdfIn PDF document text
  • http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/kemim.pdfIn PDF document text
  • https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/gagumurawubatazagefade.pdfIn PDF document text
  • http://www.alliance-In macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=shark+euro+pro+x+998a+sewing+machine+manualPDF link annotation
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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