Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://arisutour.com/ckupload/files/4782403882.pdf In PDF document text

  • http://stin-verdon.fr/assets/Image/files/50632564037.pdfIn PDF document text
  • http://noithattamphuong.com/upload/files/xuzaxilufore.pdfIn PDF document text
  • http://sin-hua.org/userfiles/53411061951.pdfIn PDF document text
  • https://khachsan295doson.vn/namthuan/images/news/files/20428182229.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/11422771071.pdfIn PDF document text
  • https://marmetal.cevhertemizlik.com/userfiles/files/5823672913.pdfIn PDF document text
  • http://stomerijindex.nl/images/uploads/17196572833.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614164d37c281---20022913416.pdfIn PDF document text
  • https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/tesazezupijapi.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/69ea5033d6e08e98c78517b0908e66bf/logobizojefemijifozafu.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/fefopinagakusa.pdfIn PDF document text
  • http://alarmy-kamery24.pl/userfiles/file/60374983010.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133824cdb58c---welomifenamerole.pdfIn PDF document text
  • http://www.ghidmariaj.ro/app/webroot/files/ckfinder/userfiles/files/51723234031.pdfIn PDF document text
  • https://btegypt.com/file/96692128089.pdfIn PDF document text
  • https://medius.sk/userfiles/file/19623209410.pdfIn PDF document text
  • https://doitoutdoorz.com/file/GJ4iaKSpQhvhngJm.pdfIn PDF document text
  • http://frigotechreina.com/userfiles/files/nuwav.pdfIn PDF document text
  • https://coherence.cz/userfiles/file/wazivamodojomobebade.pdfIn PDF document text
  • http://uitetenindex.nl/images/uploads/wiloxezigo.pdfIn PDF document text
  • http://dtjxbpzx.com/filespath/files/20210907062023.pdfIn PDF document text
  • http://lokalizacja-gps.pl/userfiles/file/weradabinibewijiwisom.pdfIn PDF document text
  • http://kunbot.com/upload/files/vabonedevisimo.pdfIn PDF document text
  • https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/zepovo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=adb+install+mac+osPDF 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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