Malicious PDF — malware analysis report

Static analysis result for SHA-256 74d341fb8143c030…

MALICIOUS

PDF

35.8 KB Created: 2021-07-08 06:03:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 729a6d2284e03637d2fce659e45af666 SHA-1: 1299f1f10f4568883bd4e637fa9091289ac778ab SHA-256: 74d341fb8143c030ec63037afe0a8e674961d865e4f6998dbad15babc88dc081
62 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and lures users with promises of game hacks and free currency. The primary URL, http://netcdn.tw/app/406889139/free-spin-coin-master-hack-2021-game-hack, likely hosts a malicious application or further redirects. The presence of multiple game-related lures and the ML classifier's high confidence indicate a phishing or malware distribution attempt.

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/free-spin-coin-master-hack-2021-game-hack PDF link annotation
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/free-coins-coin-master-blog_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/minecraft-bedrock-edition-download-pc-free_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/how-to-get-more-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/hackear-juego-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/roblox-super-mega-hack_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/roblox-hack-tools-download_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-download_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/get-more-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/free-minecraft-com_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/coin-master-free-spins-hack-iphone_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/roblox-money-hack_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsduktb.com/__statics/gudangsoal/files/como-descargarse-hacks-en-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33F7 23028 bytes
SHA-256: 5212e9c7e07b4a62db274827e3481915ee19e10afe9c83316e4c5a24baa52ea4
font_01_sfnt_off000067cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67CC 18748 bytes
SHA-256: 09e9522e43d1493e395b46c6e396a2d39f5a619d28468af8eceb278664062f1f

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