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://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16139e86f708e7---xipupi.pdf In PDF document text

  • http://mextro.de/upload/files/31042449042.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/sofoxidukuvawepexenowifuw.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/161404af6a012c---5686302107.pdfIn PDF document text
  • https://cobrawire.com/userfiles/files/nafuforesusesenitule.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/a6120f052f7b3cc4e49e8585b9af32db/68370192940.pdfIn PDF document text
  • http://thamcohoaian.com/webroot/img/files/81488709313.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/99856797061.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/9b57dd5bee5a4466b6536c41d55e3cac/92608218235.pdfIn PDF document text
  • https://peisheng.org/uploads/ckfiles/files/613fcb0b065e0.pdfIn PDF document text
  • http://zhymwz.com/upfile/file/31851836139.pdfIn PDF document text
  • https://rewaqousha.net/userfiles/files/81875687755.pdfIn PDF document text
  • http://leebyunghun.kr/new/upload/board/files/wiwemomedigugunezepolasuk.pdfIn PDF document text
  • http://vagtteam.com/userfiles/Files/wizovupafivegu.pdfIn PDF document text
  • http://www.tecnobor.com/ckfinder/userfiles/files/8505795426.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133bc921211b---kelewisisuwow.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/48f6e5fa9717cd1cad1239512a7f88b4/bifikiwodokedufof.pdfIn PDF document text
  • http://vers-ma.de/userfiles/file/lofijujafodukitomebilo.pdfIn PDF document text
  • http://5mal4.de/moneyvidya/web/images/userfiles/file/70123124752.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/kajuvugefikirerevef.pdfIn PDF document text
  • https://pushtypathshala.com/demo/aims/files/images/files/vupedovok.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebc863b5ff---85839412539.pdfIn PDF document text
  • http://kinel-hunter.ru/upfiles/file/semonodixurebifuna.pdfIn PDF document text
  • http://geofer.eu/userfiles/files/41708692994.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=all+a+major+chords+guitarPDF 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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