Malicious PDF — malware analysis report

Static analysis result for SHA-256 91e84971203655cd…

MALICIOUS

PDF

42.6 KB Created: 2021-05-13 10:33:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b4e0ecd7ab4965f34751f112735fe6ee SHA-1: 9252ebb20be5dca78f485c4f1ab69eb598e3d981 SHA-256: 91e84971203655cd91aa5f13bb45be8cb4f13328dfb3174e37ff560ce23e74d1
62 Risk Score

Malware Insights

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

The ML classifier strongly indicated maliciousness, and the document contains multiple embedded URLs pointing to game hack downloads. The presence of a visual download button and the overall theme suggest a phishing or scam attempt to trick users into downloading potentially harmful software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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-hack-version-download-game-hack
    • http://www.friendshiptransport.net/images/minecraft-bedrock-download-pc-free_GM479516143.pdf
    • http://www.friendshiptransport.net/images/free-coin-master-glitches_GM406889139.pdf
    • http://www.friendshiptransport.net/images/free-minecraft-alt-accounts_GM479516143.pdf
    • http://www.friendshiptransport.net/images/minecraft-auto-miner-hack_GM479516143.pdf
    • http://www.friendshiptransport.net/images/free-robux-offers_GM431946152.pdf
    • http://www.friendshiptransport.net/images/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdf
    • http://www.friendshiptransport.net/images/free-robux-microsoft_GM431946152.pdf
    • http://www.friendshiptransport.net/images/free-robux-generator-no-human-verification-2021_GM431946152.pdf
    • http://www.friendshiptransport.net/images/download-hacked-games-com-coin-master_GM406889139.pdf
    • http://www.friendshiptransport.net/images/actual-free-robux_GM431946152.pdf
    • http://www.friendshiptransport.net/images/promo-codes-for-free-robux_GM431946152.pdf
    • http://www.friendshiptransport.net/images/minecraft-windows-10-hacks_GM479516143.pdf
    • http://www.friendshiptransport.net/images/earn-free-robux-today_GM431946152.pdf
    • http://www.friendshiptransport.net/images/coin-master-free-gifts_GM406889139.pdf
    • http://www.friendshiptransport.net/images/100-free-spins-coin-master-2021_GM406889139.pdf
    • http://www.friendshiptransport.net/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://www.friendshiptransport.net/images/give-me-free-robux_GM431946152.pdf
    • http://www.friendshiptransport.net/images/how-do-you-get-free-roblox-money_GM431946152.pdf
    • http://www.friendshiptransport.net/images/how-to-get-free-robux-games_GM431946152.pdf
    • http://www.friendshiptransport.net/images/free-robux-codes-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b4a.bin
564acfb0405748356139ea0e9010f00154f3eadc5d5c41ad336954bb6fdff7b0		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B4A 24956 bytes
font_01_sfnt_off00008395.bin
f912b3cee97859de3df5e35c061868833ee48e9318237c6af7b49665e28b08ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8395 18428 bytes

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