PDF static analysis report

Static analysis result for SHA-256 f08721aa28cbce8f…

SUSPICIOUS

PDF

41.1 KB Created: 2021-05-17 04:10:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 0b77be7f039645dfe6d33d7989cc00d5 SHA-1: 7810499b8ca6ed61fd2638dcc5cec2385f775c61 SHA-256: f08721aa28cbce8f1c39ccd941cb2ef669488c48d53f005c201bc6bf5790d43a
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains a prominent link to a URL that appears to be related to game cheats and hacks, specifically for Coin Master. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URLs further supports a malicious intent. The document body, though heavily corrupted, contains text related to 'Coin Master Links For Free Spins', reinforcing the lure. No scripts were extracted from this sample, but the embedded URLs are the primary indicators of a potential phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-links-for-free-spins-game-hack PDF link annotation
    • http://arch-centr.ru/images/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/mcpe-master-hack-unlimited-coins-apk_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/coin-spin_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/minecraft-anarchy-server-no-hacks_GM479516143.pdfIn PDF document text
    • http://arch-centr.ru/images/coin-master-hack-fast-org_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/how-to-hack-coin-master-using-es-file_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/coinmaster-gps-user-review-coinmaster-coin-master-hack-pagedemo-index_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/how-to-change-your-name-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/freespinandcoin_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/grabpoints-robux_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/coin-master-free-spins-glitch_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://arch-centr.ru/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/roblox-booga-booga-hack_GM431946152.pdfIn PDF document text
    • http://arch-centr.ru/images/free-promo-codes-for-coin-master_GM406889139.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_003_off00004826.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4826 24012 bytes
SHA-256: 93018945e3ebdcd304af2c40c5322fec357ee0172c44e0f2933e99fa36a570ff
font_01_sfnt_off00007eeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EEB 18056 bytes
SHA-256: 95118de0f1fa2d9d8d6d34d7ce9f6e9c56d43c25fce4d2a4bd556d275959b9e0