Malicious PDF — malware analysis report

Static analysis result for SHA-256 37019e8f64e08de5…

MALICIOUS

PDF

43.0 KB Created: 2021-05-14 09:04:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 281bd827a214414e19ed00e061bfe669 SHA-1: 92ee0afb4fdf463abac7f9439a7fc6f3a0189188 SHA-256: 37019e8f64e08de553ddb97f582d11356ef99b7718a2c4dc1ea29c670861bc50
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains numerous external links, many of which point to files related to game exploits and free in-game currency. The document's content and heuristics strongly suggest it is designed to trick users into downloading malicious software or visiting phishing sites. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/431946152/best-free-roblox-executor-game-hack
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-get-free-roblox-money_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/robuxglobalcom_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-coins-and-spins-for-coin-master_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spins-for-coin-master-2021_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/wurst-download_GM479516143.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-free-robux_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/is-roblox-free-on-pc_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-daily_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-sites-2021_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-get-minecraft-java-edition-for-free_GM479516143.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-to-hack-coin-master-spin-ios_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-coins-and-spins-link_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/how-do-i-get-free-robux-on-roblox_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-spins-on-coin-master-cheat_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-games-on-roblox_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-for-today_GM406889139.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-games_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-robux-hack-us_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/robux-fun-hack_GM431946152.pdf
    • https://darulfalah-tulungagung.com/__statics/gudangsoal/files/free-coin-master-spins-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a12.bin
d1176ed9077d21834427edc35e7ad898c55b47d70b62884157f23ebf9b830651		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A12 25596 bytes
font_01_sfnt_off00008622.bin
733e9a0a0591b99c013d9411b1913d02d457623b74e1d64140f900850ee20a3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8622 18192 bytes

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