PDF static analysis report

Static analysis result for SHA-256 42fad0d24af5bb94…

SUSPICIOUS

PDF

35.4 KB Created: 2021-07-05 20:36:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5bce57b17294436cd5b00dab8d5113a2 SHA-1: dfea0c78a82133ebda7c6ea0ae553e1fbd931d5b SHA-256: 42fad0d24af5bb9413207eb1a9e838b95b0f0072d1368e40d209073dea5b5ee3
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and document body text that promote free in-game currency for games like Coin Master and Roblox. The primary link, http://netcdn.tw/app/406889139/coin-master-free-spins-ios-2021-game-hack, is suspicious and likely leads to a malicious download or scam. While no scripts were explicitly extracted, the presence of external URIs and the ML classifier's high confidence suggest malicious intent, possibly involving JavaScript for exploitation or redirection.

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.tw/app/406889139/coin-master-free-spins-ios-2021-game-hack PDF link annotation
    • https://library.fdk.ac.id/repository/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/roblox-hack-github-robux_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/free-rs-in-roblox-2021_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/roblox-free-clear-clothes_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/hack-free-money-roblox_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/how-to-get-spins-for-free-on-coin-master_GM406889139.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/coin-master-hack-8-ball-pool_GM406889139.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/how-to-get-free-coins-on-assassin-roblox-2021_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/roblox-xeber-hack_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/does-roblox-ever-give-out-free-robux_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/app-store-games-free-download-roblox_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/cryptic-hacks-roblox_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/www-robux_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/roblox-legend-of-the-fallen-kingdom-2-rpg-cheats_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/free-roblox-minecraft-fort-nitecolor-printables-pdf_GM431946152.pdfIn PDF document text
    • https://library.fdk.ac.id/repository/free-spins-for-coin-master-game_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_off00003302.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3302 23008 bytes
SHA-256: dcacb79d9df23993ecb0e7d399822d2a11442502a891b8fcd1bb504427a3e0b5
font_01_sfnt_off0000669d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x669D 18576 bytes
SHA-256: bdb7eb4b0c987fabfdeddf6ffa08cf8c77719a95579d43b31b6c5264ffa85722