PDF static analysis report

Static analysis result for SHA-256 a26b1294e30b68fe…

SUSPICIOUS

PDF

45.9 KB Created: 2021-06-09 03:50:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4ddd4bf57ae80b862c43eac7126e3a6b SHA-1: 20f36adc2b02457e0944d1a33ba5d91fade5b931 SHA-256: a26b1294e30b68fe3dd2cd8e3879d3f888cc9bdaa3619bb4df74da088c4b5c3d
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier strongly indicated maliciousness, and the document contains multiple embedded URLs pointing to sites offering free games and robux, likely as a lure. The presence of a download button heuristic further supports the intent to trick the user into downloading a payload. No scripts were extracted, but the overall pattern suggests a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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-games-like-roblox-game-hack PDF link annotation
    • http://katalog.gemalibrary.net/repository/how-to-get-minecraft-for-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/free-robux-just-click_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/roblox-vehicle-simulator-codes-free-lamborghini_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/village-4-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/coin-master-100-spin_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/coin-master-hack-xyz-apk-download_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/minecraft-kill-aura_GM479516143.pdfIn PDF document text
    • http://katalog.gemalibrary.net/repository/coin-master-free-spins-link-2021-today_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_004_off00004f88.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F88 27672 bytes
SHA-256: 2f13b4cd948747767b1576f368c4a7fc97f6fe02c0ca4a053d083e833c998f4a
font_01_sfnt_off00008fcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FCB 18724 bytes
SHA-256: c52aceaf3bf2f28584fb8940f828c012a6342ba7c3f090d8a14e40bb36c01879