Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e056c736a8d2a28…

MALICIOUS

PDF

53.4 KB Created: 2021-06-03 07:00:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 44927364451f9d4d59dd3fc65ecdbb47 SHA-1: 13611b5fc1585e62a1fb3d0a78e63c445ab7f030 SHA-256: 9e056c736a8d2a28ee337382b23706826425259f93cd9ea274194d9d77b5e46a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document uses a lure related to free in-game currency to entice users to download a payload. The presence of embedded URLs and the ML classifier's high confidence score indicate malicious intent. The document body and extracted URLs suggest a phishing attempt for game-related cheats or currency.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9577

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.online/app/431946152/you-promised-my-son-free-robux-game-hack
    • http://library.itekes-bali.ac.id/repository/robux-hack-generator_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/buy-robux-free_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-generator-no-verification-2021_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/roblox-redeem_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-coin-master-spins-and-coins-for-daily_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-no-verification_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/coin-spin_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/how-to-hack-someones-minecraft-account_GM479516143.pdf
    • http://library.itekes-bali.ac.id/repository/roblox-free-robux-no-human-verification_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/jailbreak-roblox-hack_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/robux-generator-without-verification_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-without-offers_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-roblox-hair-codes_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-working_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/coin-master-hack-review_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/coin-master-free-coins-and-spins-2021_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/hack-coin-master-ios_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/pokemon-go-free-spoofing-ios_GM1094591345.pdf
    • http://library.itekes-bali.ac.id/repository/free-roblox-usernames-and-passwords_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000050d0.bin
cc15f831065ba9a179dc98bf567ee1c92abfd33c56b18e75f64d7d48f6d1afb4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50D0 27636 bytes
font_01_sfnt_off0000918d.bin
38b270e1156baf55f52eefd6c0272d25f41d6b4ef7b6a9aa3301989c4dacee27		 pdf-font-stream PDF embedded font (sfnt) at offset 0x918D 3608 bytes
font_02_sfnt_off00009e11.bin
450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E11 5696 bytes
font_03_sfnt_off0000ab23.bin
86e86c6d1a3146e1f407edd8c9cf68c56566e4a3a2a05930f639aef478547eb3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAB23 19260 bytes

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