PDF static analysis report

Static analysis result for SHA-256 58edf13ad2018aee…

SUSPICIOUS

PDF

33.8 KB Created: 2021-06-19 15:59:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 92211a37defd3fb68b6acd9aaeac6138 SHA-1: a276f4d0e986bcd3649f79be02a8011841c14d97 SHA-256: 58edf13ad2018aee9e669b0a623202102a2f35df3e97a5fa35cb72c4246ac004
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action phrase, strongly suggesting a lure to download a malicious application. The ML classifier also flagged this PDF with high confidence. The primary URL, http://netcdn.co/app/431946152/free-roblox-accounts-new-game-hack, is likely the download location for a second-stage 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/free-roblox-accounts-new-game-hack PDF link annotation
    • https://www.tiancom.com.tw/upload/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/make-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/kachifpro_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/2021-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/easy-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/free-spin-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-free-spins-instagram_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/roblox-tix-generator_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-support_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/roblox-gang-rape_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_off00002e32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E32 22064 bytes
SHA-256: 966f71a5549feb7ad3ce51d68e2538f348d8c3ec6277725a9491d2d9817f0312
font_01_sfnt_off00005eee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EEE 19056 bytes
SHA-256: 49432d912b1ae1221abb44c81c9ab3bb9515339a66ee1b5e660cbf9e21948053