PDF static analysis report

Static analysis result for SHA-256 1b84438bc9fdf840…

SUSPICIOUS

PDF

33.3 KB Created: 2021-06-19 14:13:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: cf46254bd276a2274dadcb5fb1df03dc SHA-1: 3803f0ebb00ccdc0f01501461a4bea7d60ac46b5 SHA-256: 1b84438bc9fdf84079619f1513103751d5579e19be421c806e5d90828b913f06
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 sites offering game hacks. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or distributing unwanted software. The presence of these links suggests the document's primary purpose is to redirect users to potentially harmful content.

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/unblocked-roblox-hacks-game-hack PDF link annotation
    • https://www.cow-style.com.tw/upload/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/robux-free-online_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-unlimited-spins-hack_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/robux-claimer_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/minecraft-pc-free_GM479516143.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/how-to-give-robux-on-mobile_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-computer-hack_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/roblox-royale-high-free-vip-server_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/codes-for-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-daily-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-spin-link-hack_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-hack-trick-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/coin-master-free-link-2021_GM406889139.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://www.cow-style.com.tw/upload/files/multiplayer-master-hack-coins_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
font_00_sfnt_off00002d2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D2D 21980 bytes
SHA-256: d3b8200dd602a2ac08e16eb50d902bf1c6fc0ef00b4a7c829caf0d26a8d7e13c
font_01_sfnt_off00005d92.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D92 18828 bytes
SHA-256: b997b3ee6f1a23ac0463e07a9af41d4917b166e8306c9852263bc2321f71b3c6