Malicious PDF — malware analysis report

Static analysis result for SHA-256 8008961680f5f9c4…

MALICIOUS

PDF

48.0 KB Created: 2021-06-03 23:54:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: bb85247ef283e3682c2b2a43a53ef9d6 SHA-1: 14d41d204376864519485d1a25debb535509abbd SHA-256: 8008961680f5f9c43e120ea8ff8d800d7277933debdff681d4d9f744c2247e63
62 Risk Score

Malware Insights

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

The PDF document contains multiple embedded URLs and a prominent external URI pointing to sites offering game hacks. The ML classifier strongly flagged this PDF as malicious, and the presence of download lures and callback phishing elements further supports a malicious intent. The document likely serves as a lure to download further malicious content or engage in phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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/431946152/roblox-hack-ios-game-hack
    • http://www.pustaka.pn-calang.go.id/repository/free-robux-no-email_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-coins-and-spins-2021_GM406889139.pdf
    • http://www.pustaka.pn-calang.go.id/repository/roblox-hacked-com-2021_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/link-for-free-spins-on-coin-master_GM406889139.pdf
    • http://www.pustaka.pn-calang.go.id/repository/ww-robux_GM431946152.pdf
    • http://pustaka.pn-calang.go.id/repository/how-to-get-hacks-on-minecraft_GM479516143.pdf
    • http://www.pustaka.pn-calang.go.id/repository/coin-master-root-hack_GM406889139.pdf
    • http://pustaka.pn-calang.go.id/repository/free-minecraft-server-hosting-24-7_GM479516143.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-spins-link-in-coin-master-2021_GM406889139.pdf
    • http://www.pustaka.pn-calang.go.id/repository/minecraft-pe-hack-client-2021_GM479516143.pdf
    • http://pustaka.pn-calang.go.id/repository/free-coin-master-spins-and-coins_GM406889139.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-roblox-account-generator_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/coin-master-claim-spins_GM406889139.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-robux-master_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-robux-without-survey_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-face-roblox_GM431946152.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-links-coin-master_GM406889139.pdf
    • http://www.pustaka.pn-calang.go.id/repository/free-spins-for-coin-master-app_GM406889139.pdf
    • http://pustaka.pn-calang.go.id/repository/how-to-hack-someone-on-roblox_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004eac.bin
7dfb6aa4474e49c30fe91b93c7013531047b7436c9cd19dfe0c7b6b2a827ed6c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EAC 26900 bytes
font_01_sfnt_off00008bf9.bin
450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BF9 5696 bytes
font_02_sfnt_off0000990b.bin
f12c7157a0abee9a7103123c9d307fa47fe2494659220a603733cc764a4b7828		 pdf-font-stream PDF embedded font (sfnt) at offset 0x990B 18184 bytes

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