Malicious PDF — malware analysis report

Static analysis result for SHA-256 d182b1b01aa86496…

MALICIOUS

PDF

42.9 KB Created: 2021-05-19 22:03:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 82eacde5cae35efc916afd6aa5da0502 SHA-1: 2fd4803818761184f0e6dfaae98f15784df6929a SHA-256: d182b1b01aa8649687287d1389f03ec01341c2cdad2710540db607abbb861557
62 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and a visual download lure, strongly suggesting an attempt to trick the user into downloading malicious content. The ML classifier also flagged this PDF with high confidence. The primary malicious URL identified is https://netcdn.xyz/app/479516143/free-online-games-like-minecraft-game-hack, which is likely the initial landing page for the payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/479516143/free-online-games-like-minecraft-game-hack
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/can-lucky-patcher-hack-coin-master_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-hack-version-2021-download_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-facebook_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/how-to-hack-and-get-free-robux_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/roblox-free-robux-website_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/microsoft-store-robux_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-hack-without-verification-for-iphone_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-today_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-2021_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/minecraft-iphone-free_GM479516143.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-free-coins-2021_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/free-coin-master-spins-without-human-verification_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/get-2021-free-spins-on-coin-master_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/coin-master-free-spins-generator-no-human-verification_GM406889139.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/roblox-exploit-download_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/minecraft-pe-free-ios_GM479516143.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/free-roblox-hack_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/free-vip-roblox_GM431946152.pdf
    • http://learning.mtsn3banyuwangi.sch.id/__statics/gudangsoal/files/get-robux-com_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004c3c.bin
5a5b4b66cc916a0a6883fbb6f03535fd5b4f37b2e8e49c249378aace037c3583		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C3C 25240 bytes
font_01_sfnt_off0000862d.bin
246b849e2f56f6dfbc2c344cbb2402d5c34ee1f8458d292b794ed9a5a308c484		 pdf-font-stream PDF embedded font (sfnt) at offset 0x862D 18072 bytes

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