Malicious PDF — malware analysis report

Static analysis result for SHA-256 34b4108a3089a64a…

MALICIOUS

PDF

41.8 KB Created: 2021-05-13 17:42:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: f8a5a4e8302117c55c1382b08a46511b SHA-1: 0119847cc80ffe7ca619b3836f3a4f491cc2e431 SHA-256: 34b4108a3089a64ad4b486e790c911b1663d2272e8e926c6a30699be16f81c5a
62 Risk Score

Malware Insights

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

The ML classifier strongly flagged this PDF as malicious. The document contains multiple embedded URLs, including one pointing to 'roblox-free-followers-game-hack', and a heuristic identified a visual download button lure. These elements suggest the document is designed to trick users into clicking links that likely lead to malware downloads or further phishing attempts.

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/431946152/roblox-free-followers-game-hack
    • http://geemarco.com/images/minecraft-mojang-free_GM479516143.pdf
    • http://geemarco.com/images/how-to-hack-a-roblox-account-easy_GM431946152.pdf
    • http://geemarco.com/images/minecraft-free-download-iphone_GM479516143.pdf
    • http://geemarco.com/images/mcpe-master-hack-coins_GM406889139.pdf
    • http://geemarco.com/images/minecraft-windows-10-edition-free-with-java_GM479516143.pdf
    • http://geemarco.com/images/hack-coin-master-nyc_GM406889139.pdf
    • http://geemarco.com/images/hacks-for-coin-master_GM406889139.pdf
    • http://geemarco.com/images/get-free-coin-master-coins_GM406889139.pdf
    • http://geemarco.com/images/how-to-make-roblox-clothes-for-free_GM431946152.pdf
    • http://geemarco.com/images/can-you-host-a-minecraft-server-for-free_GM479516143.pdf
    • http://geemarco.com/images/roblox-promo-codes-free-robux_GM431946152.pdf
    • http://geemarco.com/images/free-coins-and-spins-in-coin-master_GM406889139.pdf
    • http://geemarco.com/images/how-to-get-free-robux-easy-no-download_GM431946152.pdf
    • http://geemarco.com/images/roblox-arsenal-hack_GM431946152.pdf
    • http://geemarco.com/images/roblox36com-free-robux_GM431946152.pdf
    • http://geemarco.com/images/how-to-get-free-robux-without-paying_GM431946152.pdf
    • http://geemarco.com/images/coin-master-free-spins-no-human-verification_GM406889139.pdf
    • http://geemarco.com/images/coin-master-free-chip_GM406889139.pdf
    • http://geemarco.com/images/coin-master-hack-no-download_GM406889139.pdf
    • http://geemarco.com/images/roblox-avatar-girl_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000479c.bin
83dbaccc1bab398f8ded3bb3056f4e16cac0ca1b01766a768837dcce1b15979c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x479C 24960 bytes
font_01_sfnt_off0000814e.bin
09eaf6273d9322970c88a31482dbdf968207cb1ef73b55d7fd121c1bcc1f7e48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x814E 18112 bytes

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