Malicious PDF — malware analysis report

Static analysis result for SHA-256 710a322f6504f390…

MALICIOUS

PDF

42.9 KB Created: 2021-05-12 06:00:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2ba75234aee028680e30deecee1b90b7 SHA-1: f5d4410a2248d81813c3e514db3537b594e15d82 SHA-256: 710a322f6504f390722ffd332eee0ec74881cfa8f41ed75022e920032d82bee3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a prominent link in the body text, all related to obtaining free in-game currency or items. The presence of a 'download button' lure and a callback lure suggests a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.

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/406889139/how-do-i-get-free-coins-on-coin-master-game-hack
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/getrobux-info_GM431946152.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-minecraft-resource-packs_GM479516143.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/coin-master-games-download-free_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/how-to-get-free-roblox_GM431946152.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-minecraft-skins-xbox-one_GM479516143.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/master-free-spins-and-coins_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-coin-master-spin-generator_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/coin-master-15-free-spin-link-today_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-cheat-engine_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/coin-master-free-spins-usa-2021_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/roblox-free-robux-com_GM431946152.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/get-free-spins-on-coin-master_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-spin-coin-master-link-2021_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/minecraft-free-online_GM479516143.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-minecraft-gift-codes_GM479516143.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/cheats-for-coin-master_GM406889139.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.pdf
    • https://elearning.mtsalhuda.sch.id/__statics/gudangsoal/files/free-spins-coin-master-2021_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004cec.bin
a608d0eb2c790d39829f0af778bbaa5d6da923823f84fceb408cb11c9ab35810		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CEC 24904 bytes
font_01_sfnt_off00008637.bin
b0174b7273dd3697a995ce39da4c1069e2dc5f33a377c5b822b1ade397e01d0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8637 18044 bytes

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