Malicious PDF — malware analysis report

Static analysis result for SHA-256 36ee24b34d698d73…

MALICIOUS

PDF

49.7 KB Created: 2021-06-09 12:26:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 68a0b69963beb43c34bb11a0e9224d85 SHA-1: da87f294f810e7d236ba5e90dc930f8d8f597fa4 SHA-256: 36ee24b34d698d732e1e5d765404e69b9dde99443702a1f4bb3ee5dc73c470eb
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 0.9871

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.tw/app/431946152/roblox-the-streets-hack-on-xbox-one-game-hack PDF link annotation
    • http://balitgetas.co.id/pustaka/repository/coin-master-hack-apk-ios-download_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-hacks-com_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/client-minecraft_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-tiktok-fans_GM835599320.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-get-followers-on-tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/pokemon-go-free-no-download_GM1094591345.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/irobux-com-redeem_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/those-of-us-who-remain-cheats-roblox_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/coin-master-free-spins-link-deutsch-ios_GM406889139.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://balitgetas.co.id/pustaka/repository/how-to-hack-roblox-to-get-robux_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_004_off0000516d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x516D 35384 bytes
SHA-256: cc164fdb6c7811a08c0a67dbac1a6865810127ef086771838d381dd52264a06f
font_01_sfnt_off00009f7c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F7C 18452 bytes
SHA-256: cb75945ef79bd1d4e1d9553465402d0e7d019adda9d7ddd8e87e3f25194a5a89

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