Malicious PDF — malware analysis report

Static analysis result for SHA-256 70a5bacdfe6a8ef2…

MALICIOUS

PDF

42.9 KB Created: 2021-05-13 20:45:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 8e7e93fb566fa0146743e4121550c1fa SHA-1: afc846b1b52beeaa5dc4f3045ffbd829131b6d3d SHA-256: 70a5bacdfe6a8ef295e597c7d0062f0cc8fa96d90d34f4aa5e16ce010972deb9
82 Risk Score

Malware Insights

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

The document contains lures for 'free Robux' and 'free Coin Master spins', indicative of an advance-fee scam. It also contains an embedded URI pointing to a suspicious domain, likely intended to deliver a malicious payload or redirect the user to a phishing site. No scripts were extracted, but the presence of advance-fee scam language and external links strongly suggests a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-on-ipad-game-hack
    • http://farmaciaisella.it/images/how-to-make-a-roblox-group-for-free_GM431946152.pdf
    • http://farmaciaisella.it/images/free-robux-without-offers_GM431946152.pdf
    • http://farmaciaisella.it/images/how-to-get-free-shields-on-coin-master_GM406889139.pdf
    • http://farmaciaisella.it/images/free-coin-master-spins-blogger_GM406889139.pdf
    • http://farmaciaisella.it/images/hack-a-game_GM431946152.pdf
    • http://farmaciaisella.it/images/free-robux-no-verification-needed_GM431946152.pdf
    • http://farmaciaisella.it/images/free-robux-com-roblox_GM431946152.pdf
    • http://farmaciaisella.it/images/coin-master-daily-free-spins_GM406889139.pdf
    • http://farmaciaisella.it/images/free-robux-come_GM431946152.pdf
    • http://farmaciaisella.it/images/coin-master-free-link-today_GM406889139.pdf
    • http://farmaciaisella.it/images/free-robux-generator-no-verification-2021_GM431946152.pdf
    • http://farmaciaisella.it/images/free-robux-sites-that-work_GM431946152.pdf
    • http://farmaciaisella.it/images/microsoft-roblox_GM431946152.pdf
    • http://farmaciaisella.it/images/coin-master-fan_GM406889139.pdf
    • http://farmaciaisella.it/images/how-to-get-free-robux-easy-hack_GM431946152.pdf
    • http://farmaciaisella.it/images/how-to-hack-any-roblox-account_GM431946152.pdf
    • http://farmaciaisella.it/images/free-promo-codes-for-robux_GM431946152.pdf
    • http://farmaciaisella.it/images/links-to-get-free-spins-on-coin-master_GM406889139.pdf
    • http://farmaciaisella.it/images/blox-world-free-robux_GM431946152.pdf
    • http://farmaciaisella.it/images/static-moonactive-net-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000460f.bin
0a7df9ee8b564129a9c970fc80c6cb3c2ead8b91f51eeb9134db34fef1c584df		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x460F 27208 bytes
font_01_sfnt_off00008433.bin
4ae05b13a8d3623fc8be9d582b03374b6da1b7c2137e59ff761560f156580baa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8433 18592 bytes

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