PDF static analysis report

Static analysis result for SHA-256 e97111fb42b0d22b…

SUSPICIOUS

PDF

33.6 KB Created: 2021-06-18 20:40:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 56c884a9aa4e5fd2cdf236e089b70b48 SHA-1: 42c42ed0902683f6f4a0ee2d8ab4c0a1ed8a6d18 SHA-256: e97111fb42b0d22bd9a62ad2a114a92e4cda8604f12a01721fb96a9ccae3ae6a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs and text referencing free in-game currency and hacks for popular games like Roblox and Coin Master, strongly suggesting a phishing or scam lure. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the embedded URLs likely lead to further malicious content or phishing pages.

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/roblox-how-to-change-name-for-free-game-hack PDF link annotation
    • https://www.tw-storage.com.tw/upload/files/earn-free-robux-today_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/is-it-possible-to-get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/haktuts-2021-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/roblox-hacking-page_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/how-to-change-username-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/minecraft-ios-mods_GM479516143.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/minecraft-handbook_GM479516143.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://www.tw-storage.com.tw/upload/files/how-to-get-free-skins-on-coin-master_GM406889139.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_off00002f51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F51 21336 bytes
SHA-256: aeb570238f4b47e4aa63bb09641f863bd853e84692e2f7308ab5d68963fb308f
font_01_sfnt_off00005dc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5DC8 19240 bytes
SHA-256: 1248fabb10dff82af626203a03baca377017d6c1af5377fdba50bcbff817047f