Malicious PDF — malware analysis report

Static analysis result for SHA-256 0249357ab3b31e64…

MALICIOUS

PDF

37.4 KB Created: 2021-07-04 17:19:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0a62f0ada4f814d3543e7555fb6f17a2 SHA-1: 6ba25585e1cc4783636d1ff0f33da9b4b7984ac8 SHA-256: 0249357ab3b31e649061de11f6704c64b5591aadcb6955d544defe11c23ea797
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs and text referencing 'free Google Play Promo Codes', 'Coin Master hacks', and 'Robux', indicating a lure for potentially malicious downloads or scams. The ML classifier strongly flagged this PDF as malicious, supporting the phishing and scam-based attack pattern. No scripts were extracted from this sample.

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-google-play-promo-codes-coin-master-game-hack
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/coin-master-hack-without-human-verification-2021_GM406889139.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot_GM406889139.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/get-me-free-robux_GM431946152.pdf
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/how-to-play-minecraft-online-for-free_GM479516143.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/minecraft-for-macbook-free_GM479516143.pdf
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/robux-in-1min-hacken-german_GM431946152.pdf
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/generate-robux-for-free-with-no-downloading-games_GM431946152.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/minecraft-servers-that-allow-hacks_GM479516143.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/minecraft-tower-defense-hacked_GM479516143.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/how-to-hack-roblox-accounts-on-a-phone_GM431946152.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/roblox-play-as-guest-free_GM431946152.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/roblox-new-free-hairs_GM431946152.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/coin-master-hack-tool-no-survey_GM406889139.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/coinmasterhack-club_GM406889139.pdf
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/free-domain-for-minecraft-server_GM479516143.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/roblox-acount-info-hack-with-robux_GM431946152.pdf
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/money-hack-roblox-2021-february_GM431946152.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/minecraft-free-download_GM479516143.pdf
    • http://www.ma-hidayatulinsanpky.online/__statics/gudangsoal/files/free-robux-app_GM431946152.pdf
    • http://ma-hidayatulinsanpky.online/__statics/gudangsoal/files/como-tener-cosas-gratis-en-roblox-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003847.bin
cb9a27090010931ac4074b63099394cfc7e3b0a3af4c7d86d1ed6cc76a722407		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3847 23664 bytes
font_01_sfnt_off00006e23.bin
be8ba73bd4e0f93152924960dc2061207dd247aef4cc537304e597fcd3586abc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E23 18840 bytes

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