Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6a4216f9ba40213…

MALICIOUS

PDF

35.1 KB Created: 2021-07-06 13:09:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: cc17f306a9f50334ad6e6b29823e2ae8 SHA-1: c961b6cdb041ba7d64d7fa31cf9aca1ea44df902 SHA-256: a6a4216f9ba40213f7f1679c0d557a643231d43540d7321fbd04aab85bd733d0
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous links to websites offering cheats and hacks for popular games like Coin Master and Roblox. The presence of a download button lure and the ML classifier's high confidence score indicate a malicious intent. The document likely serves as a lure to direct users to malicious websites that may host further malware or engage in phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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-daily-game-hack
    • http://stmb-multismart.ac.id/perpustakaan/repository/how-to-get-free-robux-on-roblox-youtube_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/how-to-hack-an-roblox-account-2021-november_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/free-roblox-headphones-catalog_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/how-to-tell-if-you-have-been-hacked-on-roblox_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/play-for-free-robux-roblox_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/free-robux-codes-no-verification-2021_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/master-coin-hack-app_GM406889139.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/free-spins-coin-master-hack-2021_GM406889139.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/amazing-hacker-names-for-roblox_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/i-want-to-play-roblox-for-free_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/coin-master-free-spins-link-today-hack_GM406889139.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/denisdaily-shirt-roblox-free_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/redboy-roblox-hack_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/coin-master-cracked-apk-free-download_GM406889139.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/hack-coin-master-ios-download_GM406889139.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/dungeon-quest-tips-and-cheats-roblox_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/se-puede-hackear-coin-master_GM406889139.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/hack-robux-2021-no-human-verification_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/roblox-2k-hacks_GM431946152.pdf
    • http://stmb-multismart.ac.id/perpustakaan/repository/coin-master-hack-ios-10_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000316a.bin
df62c62e61744876091a2c95b4a5aca22276623acbf7e3eb116f781c4b3b904e		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x316A 23312 bytes
font_01_sfnt_off000065c3.bin
9b8358e598e07f7d28a63a566b047adfcbccaa59c97f3816d59e3cdcc62e8d14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C3 18596 bytes

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