Malicious PDF — malware analysis report

Static analysis result for SHA-256 9480e49b06884743…

MALICIOUS

PDF

34.4 KB Created: 2021-06-20 20:28:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 30d50cc246bfb3a5583b1d739210d9c0 SHA-1: c6c0641209e319b4b8cf411f96f47d57adcc2291 SHA-256: 9480e49b06884743768165937b1cbf343bf7425f3444f429c4a359b36cd607e8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a prominent link disguised as a 'Roblox Hack' generator, which is a common lure for malicious downloads. The heuristic firings confirm this is a game hack redirector, and the ML classifier strongly indicates maliciousness. The embedded URLs likely lead to further stages of the attack, such as downloading malware or redirecting to phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-hack-all-game-game-hack PDF link annotation
    • http://serviio.org/images/roblox-play-now-for-free_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://serviio.org/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/roblox-hack-freehackshop_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/rbxfree-com-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/roblox-weapon-hack_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/best-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/coin-master-hack-apk-link_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/roblox-fire-hack-cheat-engine_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/what-do-you-need-to-have-installed-to-hack-roblox_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-robux-no-hacks-2021_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/roblox-ps4-free-download_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/ccv3-roblox-hack-tutorial_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/free-promo-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
    • http://serviio.org/images/how-to-get-free-300-robux_GM431946152.pdfIn PDF document text
    • http://serviio.org/images/coin-master-hacks-iphone_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EF3 22684 bytes
SHA-256: 71cb5d073cbd6ad1de9abccf0c45f93174342b6904d58b1bee3963bde5c9235a
font_01_sfnt_off000061ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61CA 18916 bytes
SHA-256: 2d44ce9ce114289e4b23678f529a4e3754df0296f0805b59d81a77453fdb858a

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