Malicious PDF — malware analysis report

Static analysis result for SHA-256 558ab05c888eff49…

MALICIOUS

PDF

35.0 KB Created: 2021-07-03 19:20:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 326a80211794ba8d24042b987f2387b5 SHA-1: 5c72e57944f6ce4af139897235599da1c6d08686 SHA-256: 558ab05c888eff4989bda0ea6cb988d52e2a801fd312845f0c79f920d3630af9
82 Risk Score

Malware Insights

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

This PDF document contains numerous URLs and embedded text that promote the download of applications claiming to offer hacks for games like Coin Master and Roblox. The presence of external URIs and the ML classifier's high confidence score indicate a malicious intent to trick users into downloading potentially harmful software. The document's content and structure suggest it is part of a phishing or social engineering campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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-hack-app-2021-game-hack
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-ios-2021_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/coin-master-hack-ios-2021_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/play-coin-master_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/blogspot-coin-master-free-spins_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/how-to-hack-someones-account-on-roblox_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-robux-promo-codes_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-robux-websites-that-work_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/commande-cmd-hack-roblox_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-robux-rewards_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/coin-master-free-spins-hack-apk-download_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/free-robux-no-verification-on-laptop_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/roblox-jailbreak-hack-download_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-fun-hack_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-hack-site_GM431946152.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/free-google-play-promo-codes-coin-master_GM406889139.pdf
    • https://www.man2samarinda.com/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/how-do-u-hack-roblox_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/how-to-hack-in-roblox-asasian_GM431946152.pdf
    • https://man2samarinda.com/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-blogspot_GM406889139.pdf
    • https://man2samarinda.com/__
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003063.bin
0686f3d332e323ec0aaf851cc8d3be5d95cd21f7b7132e9ca5b6a154d9895311		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3063 23288 bytes
font_01_sfnt_off0000651c.bin
988cffcfddd5284471d100489432d065995cf4e12f938595ec8cdf0110751cf2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x651C 18580 bytes

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