Malicious PDF — malware analysis report

Static analysis result for SHA-256 01f30c9c7cc5497a…

MALICIOUS

PDF

35.1 KB Created: 2021-06-30 03:18:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 59ea3fb2c78cb91ee61287992ba34912 SHA-1: 77356ab121f7496fdd11437547641315cda776f3 SHA-256: 01f30c9c7cc5497a9f0901ad73a9e7de46ece1d68d0f912b7b3850fbbb06dc09
102 Risk Score

Malware Insights

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

The PDF document contains numerous links to external websites, many of which are hosted on a domain that appears to be part of a link farm designed to attract users searching for game cheats. The document body and extracted URLs strongly suggest a lure for users seeking Roblox exploits, likely leading to malware downloads or phishing. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/exploit-cheat-in-roblox-2021-game-hack
    • http://perpustakaan.iaiqi.ac.id/repository/youtube-how-to-hack-robux-within-a-couple-of-secound_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/minecraft-free-download-windows_GM479516143.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-hack-peoples-roblox-accounts_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-get-free-roblox-accounts-with-robux_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-robux-no-password-needed-and-no-offers_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/roblox-royale-high-hack-club_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-robux-giveaway-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-hack-people-on-roblox-without-downlaods_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/como-hacer-que-cheat-engine-funcione-en-roblox-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/good-hacks-to-do-with-a-hang-glider-roblox-treelands_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/krnl-download_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/coin-master-free-spins-link-2021-twitter_GM406889139.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-do-you-hack-an-account-on-roblox_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/minecraft-the-complete-handbook-collection_GM479516143.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-hack-in-roblox-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/roblox-broken-bones-4-cheat-engine_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/can-i-change-my-roblox-name-for-free_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/roblox-hack-pw-2021_GM431946152.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/how-to-get-minecraft-for-free-on-ps4-2021_GM479516143.pdf
    • http://perpustakaan.iaiqi.ac.id/repository/free-robux-no-password_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000313d.bin
b65bea8ff25f88906fa51ecdb8c536ef40bebd7708f4156319b846e9b5f888d6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x313D 22452 bytes
font_01_sfnt_off000062d4.bin
66c0abcde95cfad2f64231be1902bb2c6caae3197e1eabd864d72e61104d1fce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62D4 19456 bytes

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