Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d6258570ef6c754…

MALICIOUS

PDF

43.5 KB Created: 2021-05-11 14:37:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: eba6561f44b6a28e686d121d34c8ee04 SHA-1: cedbf0a411a731ee2ed37aaf8b4fa2420b789cdf SHA-256: 3d6258570ef6c754558e0af9276a45e1baa937b0a45cf97dfbea25f5899daa56
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs an advance-fee scam lure, promising free Robux and game hacks to entice users. It contains an embedded URI pointing to a potential payload, indicating it likely serves as a downloader for further malicious content. The document body and extracted URLs strongly suggest a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 4

  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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/free-robux-script-game-hack
    • https://www.moledigital.co.uk/uploads/files/files/coin-master-hack-spin-generator_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/roblox-person_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/free-robux-live_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/minecraft-switch-free_GM479516143.pdf
    • https://www.moledigital.co.uk/uploads/files/files/get-free-roblox_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/free-spins-coin-master-2021_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/coin-master-free-pin_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/how-to-sue-roblox_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/coin-master-spin-hack_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/free-spins-on-coin-master_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/roblox-pink-free-robux_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/hack-coin-master-no-verification_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/coin-master-free-spins-for-today_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/how-to-get-roebucks-in-roblox_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/free-robux-on-iphone_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/how-to-get-free-robux-easy-no-download_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/fb-coin-master-free-spins-link_GM406889139.pdf
    • https://www.moledigital.co.uk/uploads/files/files/free-robux-no-scam_GM431946152.pdf
    • https://www.moledigital.co.uk/uploads/files/files/synapse-roblox-free_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000499b.bin
2f1d5ce03cff6cd6d454b43a83e8a7da63b2f55f7c61da47fee92f2cc313cc07
decompressed-pdf-stream PDF FlateDecoded stream at offset 0x499B 27052 bytes
font_01_sfnt_off00008747.bin
7904477eb6282cb79bb1f8d95588be1a5283b3abf5667e30a4d761915d4b26ef
pdf-font-stream PDF embedded font (sfnt) at offset 0x8747 18416 bytes