Malicious PDF — malware analysis report

Static analysis result for SHA-256 e15752b68532feda…

MALICIOUS

PDF

45.5 KB Created: 2021-05-16 10:36:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 92ceede5ea00bfd42ae4545ddec9bd95 SHA-1: ebe0b76e2210d10899b5e03da73e59d205f8bf08 SHA-256: e15752b68532feda157f0d15a37e8c95b8bad23ccb5fa573b4304ea6b586814b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/406889139/coin-master-100-spin-game-hack PDF link annotation
    • http://piadaandco.it/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/jailbreak-script_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/www-coin-master-hack-xyz_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/roblox-free-items_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/daily-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/coin-master-spin-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/how-to-download-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
    • http://piadaandco.it/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/free-minecraft-gift-codes_GM479516143.pdfIn PDF document text
    • http://piadaandco.it/images/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/hack-coin-master-dzooka_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/how-to-get-free-robux-2021-easy_GM431946152.pdfIn PDF document text
    • http://piadaandco.it/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • http://piadaandco.it/images/http-blackgamesus-coinmasterhack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a2a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A2A 25248 bytes
SHA-256: 74302305068fdc54d0e0435633865764546ad15b64223103474c1f4b22c341fe
font_01_sfnt_off000084b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84B3 3400 bytes
SHA-256: 4b3e0f36ad1e0c7e3ea5c178fd2b4f097d1e01575fc6a4101a8b520db34dfe07
font_02_sfnt_off00008fdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FDD 18000 bytes
SHA-256: 01f803363f7eeb4dce0f816621254ac49837589185e144589db73f807fad6798

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