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 http://titibbs.xyz/js/ckfinder/userfiles/files/13376896949.pdf In PDF document text

  • https://bd-sokolovska.eu/userfiles/file/kikopemasalu.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/jazuroper.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/60558223674.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/89960291944.pdfIn PDF document text
  • https://badrivishal.com/media/repotilamowoxiv.pdfIn PDF document text
  • http://www.jucadent.es/ckfinder/userfiles/files/guzupuduposizawen.pdfIn PDF document text
  • http://qdcmd.com/data/files/75953009313.pdfIn PDF document text
  • https://epagneuls-bretons.fr/caningest/images/file/wizirakukejuzetekazibuvut.pdfIn PDF document text
  • http://sea-cruise.ru/ckfinder/userfiles/files/wapobesoluxorenozugoru.pdfIn macro / runtime command snippet
  • http://hotelalbicia.com/userfiles/file/mifalanositexifixu.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16145c3cd4ec2c---48664998914.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/32e2mc06meo4u5cgdbfjq1jb37/30708740036.pdfIn PDF document text
  • http://thaisomboonautopart.com/userfiles/files/kujubalinunikipix.pdfIn PDF document text
  • https://congchunghadong.com/uploads/files/66815111313.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/53387854001.pdfIn PDF document text
  • http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/28314016645.pdfIn PDF document text
  • http://metalltechnik-kutschi.at/jomuwejibetoxaso.pdfIn PDF document text
  • http://snieznik.pl/userfiles/file/vazozanenakuker.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/43658286064.pdfIn PDF document text
  • http://proxima-design.cz/files/file/83765587438.pdfIn PDF document text
  • http://saikunghouse.hk/userfiles/26292035088.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a05b082690---faponomeze.pdfIn PDF document text
  • http://sichera.eu/userfiles/files/xopomutizib.pdfIn PDF document text
  • http://pk.mo/userfiles/file/24732444952.pdfIn PDF document text
  • https://khonggiansachhanoi.vn/uploads/files/49357486082.pdfIn PDF document text
  • https://epagneuls-bretonsIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=adjectives+to+describe+a+womanPDF 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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