PDF static analysis report

Static analysis result for SHA-256 cec63d1b41b946f9…

SUSPICIOUS

PDF

33.7 KB Created: 2021-06-26 15:54:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: db2e662da3000af77ed91cbec9ed9959 SHA-1: 402f0feec65e5d82c1ea7931fc92a0d6ff5a6dc4 SHA-256: cec63d1b41b946f94beb9df5c25938c7835a55ae8b24fcb0786db4ddf07b4dbd
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a prominent external URI pointing to a download site for game hacks. The ML classifier strongly flagged this PDF as malicious, indicating it likely serves as a lure to download potentially unwanted or malicious software. No scripts were extracted from this sample, but the presence of multiple game-related lures and the external download link suggest a social engineering tactic to trick users into executing a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/infinite-fly-hack-roblox-game-hack PDF link annotation
    • https://osk-sibir.ru/images/free-robux-and-tickets-generator_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/roblox-hack-pour-avoir-des-robux-2021-pc_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
    • https://osk-sibir.ru/images/roblox-player-exe-free-download_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/coin-master-hack-ios_GM406889139.pdfIn PDF document text
    • https://osk-sibir.ru/images/get-free-robux-gg_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/coin-master-hacks-android_GM406889139.pdfIn PDF document text
    • https://osk-sibir.ru/images/flame-gg-free-robux_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/coin-master-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • https://osk-sibir.ru/images/best-level-7-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/avatar-roblox-game_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/how-to-make-a-badge-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/free-money-in-roblox-bloxburg_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/roblox-hacks-teleport_GM431946152.pdfIn PDF document text
    • https://osk-sibir.ru/images/how-to-get-coin-master-card-free_GM406889139.pdfIn PDF document text
    • https://osk-sibir.ru/images/coin-master-hack-100-working_GM406889139.pdfIn PDF document text
    • https://osk-sibir.ru/images/wurst-115_GM479516143.pdfIn PDF document text
    • https://osk-sibir.ru/images/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://osk-sibir.ru/images/how-to-get-free-robux-2021_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
font_00_sfnt_off00002cfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFA 22520 bytes
SHA-256: 7f692376edb19207a52c96eeff0514806226416860c5631daf68e998f0c9c26a
font_01_sfnt_off00005e33.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E33 19224 bytes
SHA-256: f58993a292b67d7ff96e55f5fa5664effc5ac57e8e06cd6161b36ec578708d85