PDF static analysis report

Static analysis result for SHA-256 175d14a6e770bf50…

SUSPICIOUS

PDF

46.5 KB Created: 2021-05-14 10:30:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 50b9c43c4e658a03bf526fd72a55d804 SHA-1: 124922197c0617381e6ee61043435f0645cf5e84 SHA-256: 175d14a6e770bf5057a7a7d0a4875a577fefc72dc6fa172743cb472ed9ad061d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded URLs and a visual download button lure, strongly suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. The document body text and embedded URLs indicate a lure for free in-game currency for popular games like Coin Master and Roblox, likely directing users to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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 https://netcdn.xyz/app/406889139/coin-master-free-spins-2021-game-hack PDF link annotation
    • https://www.cow-style.com.tw/upload/files/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/fan-page-coin-master_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-robux-group_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/minecraft-that-you-can-play-for-free_GM479516143.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-free-spins--coins-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-spins-promo-code-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-mod-free-download_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/robux-com-free_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/how-do-you-get-roebucks_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
stream_003_off00004feb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4FEB 31244 bytes
SHA-256: ded973c0d99ba714d3aab7eaa3c00e3f9ec59a8a7358a97345140e567fd459d1
font_01_sfnt_off000093d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93D9 18288 bytes
SHA-256: 9f7609fba99e53c6baa99bb04d1c7e3f9b7167131c1520eb2a413cdab4a14871