Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ba7d84b57fd893c…

MALICIOUS

PDF

45.8 KB Created: 2021-06-03 06:45:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 6c4c9f09fe263589158dc0c453a0d013 SHA-1: 6a649a437d1292f89e6fd36aba0b1a36b2b29517 SHA-256: 2ba7d84b57fd893c1fd0fac959dbc1d6dce3de972795b7afd916af6590601726
142 Risk Score

Malware Insights

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

The PDF document contains multiple lures related to game hacks and free in-game items, directing users to external URLs. The critical heuristic for 'SE_SECRET_RECOVERY_LURE' indicates a strong attempt to solicit sensitive information. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9797

Heuristics 5

  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/406889139/coin-master-free-spins-link-ios-game-hack PDF link annotation
    • http://baxtton.com/sites/default/files/files/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-hack-me_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-cards-hack_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-rules_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-old-avatar_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-free-spins-youthnow_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-online_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/minecraft-hack-2021_GM479516143.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
    • http://baxtton.com/sites/default/files/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004ea5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EA5 24752 bytes
SHA-256: 20b9bc2c3d8e7f264ffe7f86a655e822be067064f57e5d5f0e54e93fbc201934
font_01_sfnt_off000086a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86A9 2980 bytes
SHA-256: 7759d00b2b93864c79bc0fca70ffdcdc34d821ecd92b660f9baf4d82407f8209
font_02_sfnt_off000090fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x90FC 18056 bytes
SHA-256: a4f33549350803e8a819cbfad6b4ff3cdc0b302ceab74af9f2f663eab6bd9ec0

Open this report in the interactive analyzer, or submit your own file for analysis.