Malicious PDF — malware analysis report

Static analysis result for SHA-256 d040e4c0ed2c4492…

MALICIOUS

PDF

43.7 KB Created: 2021-05-17 10:01:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c1ac701ce7b349b2796232d2497cc8c1 SHA-1: c89a407234d455ce0046a48fc7e43a3732775c21 SHA-256: d040e4c0ed2c4492dd9d2f95f595f06b493f6a6f6aa3b1f1e9ef48f114f71485
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document presents a fake CAPTCHA or download lure to trick users into clicking embedded links. The primary link, https://netcdn.xyz/app/406889139/blogspot-free-spins-coin-master-game-hack, suggests a phishing attempt related to game cheats or currency. While no scripts were directly extracted, the PDF structure and embedded URIs indicate a potential for exploitation or redirection to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/blogspot-free-spins-coin-master-game-hack
    • https://stptonline.badungkab.go.id/assets/CKImages/files/minecraft-free-reddit_GM479516143.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/free-coin-master-spins-2021_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/minecraft-xray-hack_GM479516143.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/how-to-get-free-robux-com_GM431946152.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/how-to-get-free-roebucks-on-roblox_GM431946152.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/hack-coin-master-android-2021_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/coin-master-free-spins-link-download-for-iphone_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/uprobuxcom-free-robux_GM431946152.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/how-to-get-free-robux-without-email_GM431946152.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/is-coin-master-hacks-safe_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/coin-master-hack-app-android_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/daily-free-spins-coin-master-app_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/coin-master-free-attack-hack_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/how-to-download-minecraft-for-free-on-windows_GM479516143.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/minecraft-pe-free-apk_GM479516143.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/coin-master-free-spins-link-blogspot-2021_GM406889139.pdf
    • https://stptonline.badungkab.go.id/assets/CKImages/files/roblox-avatar-maker-free_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004ebf.bin
a3d79eaf2e2e55c7a9526d040da9562a8ad19058701c8dc6b78175792857c8c7		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EBF 24880 bytes
font_01_sfnt_off000087f9.bin
13f550290c9517edfa079139010aad5547f5fad726399bfec3a78be220de1a28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87F9 18464 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.