Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb001c3211e58d22…

MALICIOUS

PDF

41.2 KB Created: 2021-05-17 00:12:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 6ca98ae5d4cf618ca06bea930085d95e SHA-1: 6da8181e7a8790bef240b77150c04b7a455fb2d3 SHA-256: eb001c3211e58d22f9f8f7213f1e65dff42321f0677de6763b8df14ea4ba0593
82 Risk Score

Malware Insights

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

The PDF document contains multiple links and a call-to-action phrase, explicitly luring users with game hack promises. The primary URL, https://netcdn.xyz/app/406889139/coin-master-spin-cheat-game-hack, is directly associated with a game hack lure. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • 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.xyz/app/406889139/coin-master-spin-cheat-game-hack PDF link annotation
    • http://ernstgloves.co.il/images/coin-master-fun-hack-online_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-robux-come_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/spin-link_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/http-coin-master-hack-club_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/coin-drop-master-free_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-hair-roblox_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-mods-for-minecraft-pe_GM479516143.pdfIn PDF document text
    • http://ernstgloves.co.il/images/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/roblox-points_GM431946152.pdfIn PDF document text
    • http://ernstgloves.co.il/images/coin-master-hack-apk-35-13_GM406889139.pdfIn PDF document text
    • http://ernstgloves.co.il/images/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
    • http://ernstgloves.co.il/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000048a6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48A6 24408 bytes
SHA-256: ff5af2a4d894a09a5bb925eb0b2914823e2cc0d1c4fb792beb2135d3e50b399f
font_01_sfnt_off00007fe3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FE3 17888 bytes
SHA-256: 6e952cda52cab557889c44e050e091d78c8f903a1a78f0754c4b08395fb72fca

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