PDF static analysis report

Static analysis result for SHA-256 6388165f5be9c249…

SUSPICIOUS

PDF

44.7 KB Created: 2021-06-10 12:18:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: b1c92713455bd8d37a49d0fbc0bc6848 SHA-1: 743d11dbbdf2047572e987eb3fd05afb825acf48 SHA-256: 6388165f5be9c2499e3cc09e50de27605fd55fdb062840a28db3c1cbcf21c17c
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple external URIs pointing to websites offering game-related cheats and downloads, suggesting a lure for malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the overall context indicate a phishing or malware distribution attempt, likely initiated via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/free-roblox-accounts-v3rm-game-hack PDF link annotation
    • https://hekl-software.de/images/robux-apk_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/how-to-get-free-clothes-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/code-free-robux_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/hack-robux_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/roblox-speed-race-hack_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/is-roblox-studio-free_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/coin-master-exchange-40-free-spins_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/coin-master-free-spin-and-trading-group_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/how-to-get-free-likes-on-tiktok_GM835599320.pdfIn PDF document text
    • https://hekl-software.de/images/google-how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • https://hekl-software.de/images/how-to-get-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://hekl-software.de/images/minecraft-free-android_GM479516143.pdfIn PDF document text
    • https://hekl-software.de/images/free-tiktok-accounts_GM835599320.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_004_off00004f14.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F14 26832 bytes
SHA-256: 3685fb4650a821852e49ed6f89d94b16002883b05ee4adf8b2757245560bd630
font_01_sfnt_off00008a88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A88 18760 bytes
SHA-256: 549f152a2a1246cf051aa39d56fd107532da67a699aae91359aa150928c67889