PDF static analysis report

Static analysis result for SHA-256 e56f27550d860fa2…

SUSPICIOUS

PDF

34.4 KB Created: 2021-07-05 15:57:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 4d7ff6ba27497c7c61b03b70475299b8 SHA-1: 69f05682d28d12371b1236638eb9a33a114f84bb SHA-256: e56f27550d860fa218bebd8f6c07397da60bc771ee84863586bf83be89876149
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a heuristic firing for an external URI, suggesting it is designed to redirect users to malicious websites. The document body and extracted URLs indicate a lure related to free Robux and game hacks, likely intended to trick users into downloading malware or visiting phishing sites. No scripts were extracted, but the presence of external links and the ML classifier's high confidence score point to a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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
  • 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://netcdn.tw/app/431946152/robux-websites-2021-game-hack PDF link annotation
    • http://www.siahotel.com/userfiles/files/roblox-login-free-no-download_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/jojo-s-tops-free-roblox-games_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/robux-hack-tools_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/daily-spin_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/make-free-robux_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/free-minecraft-windows-10-account_GM479516143.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/roblox-people-girl_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/roblox-free-accessories_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/coin-master-hack-apk-april-12-2021_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/como-hackear-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/tre-un-hacker-sur-roblox_GM431946152.pdfIn PDF document text
    • http://www.siahotel.com/userfiles/files/free-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E1D 22380 bytes
SHA-256: 2878ee531043aae519bd7c830e47bc6381a70b41d2501a059e4819b836be4752
font_01_sfnt_off00006038.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6038 19376 bytes
SHA-256: 8abac7f36f0f6ba9a6c410adf2bfd84174c2f93cc82f362ea9a5a51f34bdb61b