Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae1ad5d918c594e9…

MALICIOUS

PDF

41.8 KB Created: 2021-05-17 02:04:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9b578fd6076c99cc76feb11615fbcece SHA-1: d30cb6d1140755ba0d9bd71caccdc01cd54faa6d SHA-256: ae1ad5d918c594e965707d85a15d5fdfdf0d0eb3d7d08799773fec6d971f3252
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a lure related to game hacks and free in-game currency, specifically mentioning 'Coin Master' and 'Robux'. The primary link, https://netcdn.xyz/app/406889139/free-coins-on-coin-master-game-hack, is flagged as a high-risk redirector. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a phishing or redirection attack designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/free-coins-on-coin-master-game-hack PDF link annotation
    • http://italymania.ru/images/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://italymania.ru/images/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • http://italymania.ru/images/roblox-sign-in-free_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/microsoft-free-robux_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • http://italymania.ru/images/coin-master-apk-hacked-3526_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/coin-master-game-hacking_GM406889139.pdfIn PDF document text
    • http://italymania.ru/images/rbxdemon_GM431946152.pdfIn PDF document text
    • http://italymania.ru/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://italymania.ru/images/free-robux-com_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a78.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A78 24552 bytes
SHA-256: 8bbaf17df72f64e5f6fa94295575ae63b5400a7ae3e93edbd5f79fcb896339af
font_01_sfnt_off000082e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82E4 17712 bytes
SHA-256: 6ea46f87f2167b805a87cbef3ad9b5ecf4d2513d7b8c5fe933be1d22f28e2546

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