Malicious PDF — malware analysis report

Static analysis result for SHA-256 01da8288f30c6fe0…

MALICIOUS

PDF

45.5 KB Created: 2021-05-11 03:41:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 8eccdc89fae77a223875dcf81adda6fa SHA-1: 9efdfc071fd9a3ac0ca3cabb9bb57ad24beeac36 SHA-256: 01da8288f30c6fe0e1b0b3f57b0880b6598f653030df85efe5438eb0dde75dc0
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for game hacks and generators, directing users to the URL https://netcdn.xyz/app/431946152/giftrobux-com-generator-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or redirection attempt, likely intended to lead to a malicious download or exploit. The ML classifier also flagged this PDF as malicious.

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/431946152/giftrobux-com-generator-game-hack PDF link annotation
    • http://www.habitas.it/images/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/free-robux-exe_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/roblox-earn-robux_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/how-to-hack-robux_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/if-i-uninstall-minecraft-can-i-reinstall-it-for-free_GM479516143.pdfIn PDF document text
    • http://www.habitas.it/images/robux-page_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/coin-master-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/coin-master-heaven-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/free-roblox-card_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/hack-coin-master-nyc_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/minecraft-thumbnail-maker-free_GM479516143.pdfIn PDF document text
    • http://www.habitas.it/images/coin-master-free-spins-2021-today_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/hack-coin-master-dzooka_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://www.habitas.it/images/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • http://www.habitas.it/images/roblox-script-hack_GM431946152.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_off00004787.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4787 25960 bytes
SHA-256: 76e271c73d0f56470c88e1b8a41f248c65e5802a8c488793e6e023f44972b668
font_01_sfnt_off000081cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81CD 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off00008e75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8E75 18564 bytes
SHA-256: d4fe2e40c8749f3e28ba2f676cfcb3a45d14d1e884f99ef521d4b9bf9891a09b

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