Malicious PDF — malware analysis report

Static analysis result for SHA-256 17e1e9bab7ade194…

MALICIOUS

PDF

44.4 KB Created: 2021-05-13 10:33:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 5a99115c886ca193aa0f993af709c531 SHA-1: 73bd8f8f5fdb2823e7b334a3a5695c958c6973c3 SHA-256: 17e1e9bab7ade1943d3e64f16921da36f6a9af85a4cff851f2d2051374e96560
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA or human verification prompt to trick the user into clicking a link. The embedded URL and multiple other URLs point to sites offering game-related cheats or hacks, suggesting a lure for downloading potentially malicious content. No scripts were extracted, limiting further analysis of the payload delivery mechanism.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/431946152/how-to-get-roblox-money-game-hack
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/free-robux-2021_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/robux-no-human-verification_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/minecraft-survival-hacks_GM479516143.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/oprewards-robux_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-apk-android-1_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/coin-master-links-2021_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/roblox-online-free-no-download_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/worst-roblox-avatars_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coin-links_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/roblox-toy-codes-free_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/minecraft-free-app_GM479516143.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/earn-free-robux-for-roblox_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/free-robux-glitch-2021_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/free-spins-coin-master-blogspot_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/get-gold-coin-master-village-hack_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/100-free-spins-coin-master_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-with-no-verification_GM431946152.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/no-human-verification-hack-for-coin-master_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/2021-free-spins-on-coin-master_GM406889139.pdf
    • https://learning.mansatupadangpanjang.sch.id/__statics/gudangsoal/files/earn-robux-sites_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004bd3.bin
fcc9b937e1c948ca75f93ffd84babce54532858f66bb91e3c0c572856c26287a		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BD3 27044 bytes
font_01_sfnt_off00008aac.bin
c447f334fad9b15f432f5aac5fa8081b18071b5b9f1330fc1e6c33f3b8eba776		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AAC 18428 bytes

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