Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://asijskepotraviny.cz/files/file/xikizato.pdf In PDF document text

  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b8887e01d12---kotanijegunuvarunetuboku.pdfIn PDF document text
  • http://automozg.by/upload/editor/files/70712457387.pdfIn PDF document text
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/m36048nach2pv7ehvosnqrcu10/94261808310.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/9061924719.pdfIn PDF document text
  • http://asu78.ru/userfiles/file/gujalekobinilawola.pdfIn PDF document text
  • http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/ba1bd021e9af645a193f7ab485154b9e/75073771732.pdfIn PDF document text
  • https://cplastik.eu/data/cms/file/3291488172.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/3cnda1gq719jg84dvcmddgakbg/nizojumez.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/file/gewunopedewodititozap.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/ebd2825279399e64c5417440f70c8b29/jufebevurefamusegezotu.pdfIn macro / runtime command snippet
  • https://glory-aqua.com/userfiles/file/kanozuropam.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/losapavozixolitasotujekex.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/wexedozijulavosera.pdfIn PDF document text
  • http://dulwichtaxi.com/survey/userfiles/files/janurugexaka.pdfIn PDF document text
  • https://haysalon.com/public_html/userfiles/file/37388652222.pdfIn PDF document text
  • http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vewefisepotana.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f5239a696---dofolewote.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/f4a7nltkrl0sbke7v4h12smc4e/desefaviw.pdfIn PDF document text
  • https://poker-fire.de/file/46083022927.pdfIn PDF document text
  • http://etre-belle.su/images/file/fejonenazafiditabedagowet.pdfIn PDF document text
  • https://h1t-url12shio-turbo.com/contents//files/bopun.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/fiIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=pronouns+worksheet+for+class+3+with+answersPDF 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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