Malicious PDF — malware analysis report

Static analysis result for SHA-256 36346d9b24178ad8…

MALICIOUS

PDF

45.1 KB Created: 2021-06-03 08:10:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ee0439c15830f59eef2a513a438bf63e SHA-1: 37f8f8cf36d4c28523343d5bd814ede846006942 SHA-256: 36346d9b24178ad8744a1a71576d0658ad196cb504ac34ec1a60d506fcaf7ba2
62 Risk Score

Malware Insights

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

The PDF document contains lures related to free in-game items and currency, such as 'how-to-make-a-minecraft-pe-server-for-free' and 'roblox-free-robux'. It embeds external URLs pointing to potentially malicious content, suggesting a phishing or malware distribution scheme. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/479516143/how-to-make-a-minecraft-pe-server-for-free-game-hack
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/roblox-free-robux-no-human-verification_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/coin-master-hack-android-2021_GM406889139.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/free-robux-working_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/free-robux-obby-2021_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/are-there-any-coin-master-hacks-that-actually-work_GM406889139.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/how-to-get-minecraft-for-free-on-ps4_GM479516143.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/fake-robux-codes_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/minecraft-hack-app_GM479516143.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/free-minecraft-java-code_GM479516143.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/hacks-roblox_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/how-to-get-2021-robux-for-free_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/how-you-get-robux_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/free-links-for-coin-master_GM406889139.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/mcpe-master-coins-hack_GM406889139.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/coins-master-hacks_GM406889139.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/free-robux-no-verification-or-survey_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/roblox-studio-free-robux_GM431946152.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id//repository/coin-master-unlimited-spins-apk-free-download_GM406889139.pdf
    • http://perpustakaan.poltekkespangkalpinang.ac.id/repository/coin-master-hack-2021-free_GM406889139.pdf
    • https://playhack.in/minecraft
    • https://www.yout
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005509.bin
4191ab1b134dfe1904d4ceef425381cf57d8e990bf0fe1196c7ed790781b7741		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5509 25292 bytes
font_01_sfnt_off00008de5.bin
8d57e09dc2ab5dee4130bc415c565a1cfab31eb7ee6f144ff295d83a81e29e1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DE5 18312 bytes

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