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://iproperty.ae/userfiles/file/20700232749.pdf In PDF document text

  • https://vanchuyenduongsat.vn/upload/files/74460308164.pdfIn PDF document text
  • http://muszempilla.com/files/file/65099291005.pdfIn PDF document text
  • http://detskypohar.cz/upload/file/20471455128.pdfIn PDF document text
  • http://alarmy-kamery24.pl/userfiles/file/15745253924.pdfIn PDF document text
  • http://friulanamarmi.it/images/file/nupofujovegife.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///tatibomosumeke.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/fefif.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/runufexipig.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16136acf61a0fe---23996630679.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/3af7b9bc90e41d65607f4b117e2ae011/52055379692.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/36968982301.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/rr9emq9hl53fkn5s4n4j59ueq5/kajoxinomenik.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/11916795609.pdfIn PDF document text
  • http://phelieuviethung.vn/upload/files/17776634760.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/fozominupizubuxulol.pdfIn PDF document text
  • https://associazionebriciole.it/public/file/puxaruvufoge.pdfIn PDF document text
  • http://jmk.kr/ckfinder/userfiles/files/4438718072.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b15f0e6aea---venututarusovaride.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ce29aa6d2---45062147520.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136518285ca5---zibemutugedufano.pdfIn PDF document text
  • https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/50141898313.pdfIn PDF document text
  • https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/visetitujuwodovupixikiza.pdfIn PDF document text
  • https://concertwristband.com/resimler/files/gigefokiku.pdfIn PDF document text
  • http://www.reroofingbriIn macro / runtime command snippet
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=android+tablet+screen+flashing+on+and+offPDF 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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