PDF static analysis report

Static analysis result for SHA-256 fdc9de1d7639e044…

SUSPICIOUS

PDF

33.4 KB Created: 2021-07-01 09:14:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 31fa0b27dfde9821a03f6d3f4f98d4cb SHA-1: e72446c3755f10a79bf285a9e4f3aa3070ee191f SHA-256: fdc9de1d7639e04472d6ba6ad4e76d31ad5cc4f2ca8eb2c10d4957b3244da145
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to a download site, disguised as a guide for game exploits and currency. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of it serving a malicious payload or leading to a phishing site. No scripts were extracted, but the overall structure and content suggest a lure for users seeking in-game advantages, likely leading to malware download or credential theft.

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.co/app/431946152/free-exploits-on-roblox-game-hack PDF link annotation
    • https://goodtools.tw/upload/files/how-to-get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/a-group-in-roblox-that-gives-free-robux_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/roblox-troll-outfits-free_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/how-to-speed-hack-in-swordburst-2-in-roblox_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/tiktok-freein_GM835599320.pdfIn PDF document text
    • https://goodtools.tw/upload/files/coin-master-free-spins-link-2021-ios_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/master-game_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/get-robux-now_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-roblox-accounts-with-obc-lifetime-2021_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/roblox-install-free_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-robux-thumbnail_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
    • https://goodtools.tw/upload/files/free-tiktok-followers-generator_GM835599320.pdfIn PDF document text
    • https://goodtools.tw/upload/files/mining-simulator-hack-roblox-anfr_GM431946152.pdfIn PDF document text
    • https://goodtools.tw/upload/files/is-minecraft-free_GM479516143.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_off00002cd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD1 21908 bytes
SHA-256: fd044422eed64384491cb5fbd254680506be963cd16b25319f55b109b4e02186
font_01_sfnt_off00005d64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D64 19048 bytes
SHA-256: 60eb9cc834d8af9810bab7031c292020dff55767505c98ba0bc43d9aa799f4b9