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/88748433696.pdf In PDF document text

  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/74072552637.pdfIn PDF document text
  • http://osayit.com/images/file/taritopozodafawafu.pdfIn macro / runtime command snippet
  • http://krcatikyonetimi.com/userfiles/file/63946939623.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608e04c0d8676---xojotidilarofuteneted.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16114c44c17a12---bedemulideviji.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/1630085023356672394.pdfIn PDF document text
  • http://alrabbancapital.com/file/files/sutobujavugefok.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/7c734d28747881375658e7db1c319b23/kaworabutas.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/govorawotefebopapewafe.pdfIn PDF document text
  • http://oasis-inwaste.asia/files/file/92988084776.pdfIn PDF document text
  • http://contelex.it/userfiles/files/85905845438.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/9abcc785236f9f623bd7687f28f3b295/lexalomibisos.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/qa42laba2imcjqsjfr81tjeup3/lozok.pdfIn PDF document text
  • https://nevisnews.com/userfiles/zaxowowid.pdfIn PDF document text
  • http://articolo17.it/siti//usr/foto/files/65931830801.pdfIn PDF document text
  • https://soalmatematik.com/userfiles/file/bilasawibutusazasezo.pdfIn PDF document text
  • http://proxima-design.cz/files/file/xosinivatilidifabox.pdfIn PDF document text
  • https://dovolena-jiznicechy.cz/uploads/84808669333.pdfIn PDF document text
  • http://misspacificus.com/clients/873634/File/tufebanib.pdfIn PDF document text
  • http://muszempilla.com/files/file/lusorodujubedaremojiz.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160efd515d865b---15992510337.pdfIn PDF document text
  • http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607db40b5a111---77790331356.pdfIn PDF document text
  • https://aldapa.eus/files/galeria/files/kejatiwuxodogimove.pdfIn PDF document text
  • http://karmand24.ir/basefile/ehotel724ir/files/30505904622.pdfIn PDF document text
  • http://portakalweb.net/In macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=clinical+immunology+and+serology+stevens+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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