PDF static analysis report

Static analysis result for SHA-256 a495b1b8986ab652…

SUSPICIOUS

PDF

47.1 KB Created: 2021-05-11 14:35:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 49e50b54a26871c821d55f606059d84f SHA-1: 593b6623fab234008f8ed93cf863ada3d80d6b63 SHA-256: a495b1b8986ab65261ca690d59dd657f2e3ff7e3c2eb7eb3327df26631eb8833
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and a visual lure suggesting a download action, which is consistent with a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious. The primary URL, https://netcdn.xyz/app/431946152/microsoft-bing-robux-game-hack, is likely the download location for a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

Heuristics 3

  • 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/microsoft-bing-robux-game-hack PDF link annotation
    • http://www.sabbiadoro.net/images/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/coin-master-links-to-free-spins_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/roblox-comcom_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/static-moonactive-net-free-spins_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/all-free-items-in-roblox_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/coin-master-jackpot-madness-hack_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/roblox-games-with-free-boombox_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/daily-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/https-iosgodscom-topic-20214coinmasterhack_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/reddit-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.sabbiadoro.net/images/coin-master-hack-2021-ios-download_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_off00004b06.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B06 28280 bytes
SHA-256: 3177e338ec99bd99ce65728453cf00d61e656eb6e4adbf6d2495b6de35fe0eb3
font_01_sfnt_off00008ad4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AD4 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off000094be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x94BE 18560 bytes
SHA-256: 0a52f6ec51e5479193ac09ac07861dbb509af0702b58d34a0593d6b3312eb5b8