Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://drafthe.ru/uplcv?utm_term=spooks+series+7+episode+2 PDF link annotation

  • http://lobanowscy.pl/userfiles/file/dapupo.pdfIn PDF document text
  • http://tischtennis-kiel.de/images/file/baboxigelonegilu.pdfIn PDF document text
  • http://karinameal.ru/imgdish/files/fidisimum.pdfIn PDF document text
  • http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613686ef0f04c---serededajurufif.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/4bf628770a3277794298db02c9b022c6/sekekokijibamojomux.pdfIn PDF document text
  • http://detskaoptika.cz/ckfinder/userfiles/files/92372091870.pdfIn PDF document text
  • http://qdcmd.com/data/files/37648395474.pdfIn PDF document text
  • http://ptairsupply.com/userfiles/file/jurajedegos.pdfIn PDF document text
  • https://cuatudongnhatrang.com/uploads/files/20878442062.pdfIn macro / runtime command snippet
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614913c52c510---3259668666.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/zonunavini.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613667d00a9fd---remubedixaninisimip.pdfIn PDF document text
  • http://de.ruben.pl/ckfinder/userfiles/files/63919781678.pdfIn PDF document text
  • http://berbun.com/user_img/file/16637771826.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/34327104755.pdfIn PDF document text
  • https://drosamahetta.com/userfiles/file/29687146333.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/9g982s2q85pnjh2hb6hoqv6ap6/danafuzugobe.pdfIn PDF document text
  • http://crabandclaw.com/uploads/files/99158195532.pdfIn PDF document text
  • https://gozdekadife.com/resimler/files/dasalutinalo.pdfIn PDF document text
  • https://ikansambel.com/contents/files/90313614869.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/57474259117.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161401b62b40e1---41258900036.pdfIn PDF document text
  • https://zifu-tech.com/app/webroot/userfiles/files/13491056776.pdfIn PDF document text
  • http://kaiyudachem.com/filespath/files/20210921213724.pdfIn PDF document text
  • http://lezeckastenakosice.sk/upload/files/84592352928.pdfIn PDF document text
  • https://marosme.ro/hirek/file/pogofibezomasanevexa.pdfIn PDF document text
  • http://ptairsupply.com/usIn macro / runtime command snippet
  • 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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