Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d04a0698cf63458…

MALICIOUS

PDF

46.9 KB Created: 2021-06-11 02:35:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: c660626c2550828076880b514bb7589b SHA-1: a63a18e87d914f4a338aa9ba16b63a5db4671f11 SHA-256: 7d04a0698cf634584795516c0b9c939c5f10a006d473f6d0fbd579bdd4d5b5bb
82 Risk Score

Malware Insights

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

The document contains multiple embedded URLs and a heuristic firing for an external URI, all pointing to sites offering game hacks and cheats. The ML classifier also flagged this PDF as malicious. The presence of a "download button" lure and an MFA harvesting lure suggests a phishing or credential theft attempt, likely leading to a malicious download or a fake login page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

Heuristics 4

  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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.tw/app/431946152/free-giftcard-codes-roblox-game-hack
    • http://libnh.stikesnh.ac.id/repository/roblox-hack-tool_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/coin-master-hack-apk-free-download_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/how-to-download-minecraft-for-free-on-windows_GM479516143.pdf
    • http://libnh.stikesnh.ac.id/repository/free-arsenal-hacks_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/are-robux-generators-safe_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/free-robux-website_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/coin-master-rewards-app_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/free-coin-master-spins-and-coins_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/how-to-hack-roblox-for-robux_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/do-you-want-free-robux-get-unlimited-robux-for-free_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/websites-to-get-free-robux_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/coin-master-free-spins-facebook_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/oprewards-free-robux_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/coin-master-free-spins-and-coins-blogspot_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/simple-hack-roblox_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/free-robux-no-human-verification_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/best-way-to-get-free-robux_GM431946152.pdf
    • http://libnh.stikesnh.ac.id/repository/free-spins-coin-master-2021-no-verification_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/free-coin-master-links_GM406889139.pdf
    • http://libnh.stikesnh.ac.id/repository/free-minecraft-realm-codes_GM479516143.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005158.bin
7d99fa16f11d4bd83d5f16ce4899657b781e5d0bba6f929a710001ecb5548280		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5158 24816 bytes
font_01_sfnt_off000089c4.bin
94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89C4 2824 bytes
font_02_sfnt_off00009373.bin
608c138a473c131ee3ebbc47ed70bf40f96e11f23a831eb05eb09a6c4e68a022		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9373 18572 bytes

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