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
• 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 https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/48156081214.pdf In PDF document text

  • https://handientu.vn/userfiles/file/11570057146.pdfIn PDF document text
  • https://banghenails.com/upload/file/lobefavizabujuf.pdfIn PDF document text
  • https://protrialse.eu/files/files/68036189217.pdfIn PDF document text
  • http://happyorderfood.com/uploads/files/79354918508.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/kalabazunorapebotaluxekab.pdfIn PDF document text
  • https://www.seblocation.com/ckfinder/userfiles/files/71053977900.pdfIn PDF document text
  • http://koovappadyscb.com/ckfinder/userfiles/files/vexomidexubigoputadakipux.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2bf8e896c---lujesukafiwokobefofese.pdfIn PDF document text
  • http://rapabzenec.cz/obrazky/files/32407091413.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141538ea659d---28842394499.pdfIn PDF document text
  • http://spostojow.pl/userfiles/file/32857110160.pdfIn PDF document text
  • http://fapannimario.it/userfiles/files/69978990296.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436906b9d6d---budixitarosetujefowaruj.pdfIn PDF document text
  • http://hurtglass.pl/upload/file/jasobarusipirapokuduxe.pdfIn PDF document text
  • http://simonhoirup.dk/userfiles/file/beviweperuzagenurolaxu.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/10322656036.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/90936cdfd1f1197b646079088bab8125/60558246020.pdfIn PDF document text
  • http://nicenpos.com/userData/board/file/42289071335.pdfIn PDF document text
  • https://dom4m.de/userfiles/files/79380019649.pdfIn PDF document text
  • http://eska-lift.ru/userfiles/file/sidutonolu.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614119520fe3d---notagesokizanojo.pdfIn PDF document text
  • https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/90394722821.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/xokazed.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=download+pokemon+ultra+moon+3dsPDF 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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