Malicious PDF — malware analysis report

Static analysis result for SHA-256 3482d244e60e5382…

MALICIOUS

PDF

45.7 KB Created: 2021-06-09 05:37:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: b39bfc83acd7fd3be44398ff6542b1d0 SHA-1: b42a4c041c46e17a3788b2d42cb9a01d4ff2ee59 SHA-256: 3482d244e60e53829c3ee1268d3e1824a5531b8ab60dbc0fde78d53fae327185
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a lure related to 'free Robux' and includes a call-to-action button, indicating a likely attempt to trick users into downloading malicious content or visiting a phishing site. The presence of an external URI pointing to a suspicious domain further supports this assessment. While no scripts were extracted, the document's structure and embedded URLs suggest it is part of a social engineering campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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.tw/app/431946152/how-to-get-free-robux-card-codes-parody-of-robuxian-game-hack
    • http://library.itekes-bali.ac.id/repository/free-robux-no-human-verification-or-survey-or-download-2021_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-hacker-us_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/hack-coin-master-ios_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/minecraft-hax-download-no-virus_GM479516143.pdf
    • http://library.itekes-bali.ac.id/repository/can-you-get-robux-for-free_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/coin-master-free-spins-2021-link_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/free-spin-links-coin-master-2021_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/free-coins-and-spins-coin-master_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/coin-master-cards-hack-2021_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/free-spins-and-coins-for-coin-master-game_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/free-robux-with-no-verification_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/haktuts-coin-master-free-spins_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/how-to-get-free-robux-games_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/minecraft-java-edition-free-trial_GM479516143.pdf
    • http://library.itekes-bali.ac.id/repository/how-do-u-hack-roblox_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.pdf
    • http://library.itekes-bali.ac.id/repository/how-to-hack-a-roblox-account-2021_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/free-promo-codes-for-robux_GM431946152.pdf
    • http://library.itekes-bali.ac.id/repository/coin-master-heaven-free-spins-today_GM406889139.pdf
    • http://library.itekes-bali.ac.id/repository/coin-master-free-cards-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005314.bin
fe3e56e7f2c17e0c9dfdfc6e954d9c92262dedde139fcc055814dd1b9ad259c7		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5314 25168 bytes
font_01_sfnt_off00008d6a.bin
ef32bc610158f6df802170bd20df4ac13ed4c96d026e3b0f8bd60f9dd2f00a86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D6A 19140 bytes

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