PDF static analysis report

Static analysis result for SHA-256 fa66e0960194e052…

SUSPICIOUS

PDF

35.0 KB Created: 2021-06-30 06:18:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: fa9f6afd1e2cd15343548bf01bb6c08e SHA-1: c945765cfbfce72342a610081c20c32d83c359de SHA-256: fa66e0960194e05272cf72fb4c3a25d9d53e253265c45855c45e14ad2039cd31
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple links and a call-to-action phrase, strongly suggesting a lure to download a malicious file. The ML classifier also flagged this PDF with high confidence. The embedded URLs point to sites offering game hacks and cheats, indicating a social engineering tactic to trick users into downloading malware.

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/roblox-how-to-get-free-ranks-game-hack PDF link annotation
    • https://www.tiancom.com.tw/upload/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/roblox-username-change-free_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/robux-best_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/account-roblox-free-2021_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-hack-version-download-ios_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-to-earn-free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/wurst-minecraft_GM479516143.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-to-play-roblox-liberty-county-for-free_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-to-make-a-roblox-hack-using-hxd_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/any-gamepass-free-roblox-script_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/como-hackear-roblox-para-tener-robux_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-download_GM406889139.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/noclip-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/free-robux-just-download-a-game_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/how-to-get-pants-for-free-on-roblox-without-bc_GM431946152.pdfIn PDF document text
    • https://www.tiancom.com.tw/upload/files/coin-master-apk-hack-2021_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_002_off00003092.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3092 22716 bytes
SHA-256: 6a6e4c94db02d0a6f254769c356a87e9087a2d7f936ac2da27f9b4d045b70b80
font_01_sfnt_off00006380.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6380 19088 bytes
SHA-256: 0be8ace4499e3b463d1740da5d1b9b86caf5f7d53a46abe654974b6ca24f09d9