PDF malware analysis — malicious · b01ede7d40504055

MALICIOUS

PDF

42.1 KB Created: 2021-05-11 18:01:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 6265af21237fba160900ba509837e693 SHA-1: 129459d6041a9cdc373bdd4290c3a95c9c56809b SHA-256: b01ede7d40504055f955149be85a825eec49b85fbe665eca32d90be5e09a0316

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a "free generator / game hack" lure. The embedded URL, https://netcdn.xyz/app/406889139/coin-master-level-4-game-hack, directly supports this finding. While no scripts were explicitly extracted, the PDF structure and the nature of the lure suggest it is designed to redirect users to a malicious site, likely for the purpose of downloading further malware or engaging in phishing. The ML classifier also strongly flagged this PDF as malicious.

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-level-4-game-hack PDF link annotation
- https://ceiprevellodetoro.org/images/spinuri-gratis-coin-master_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/minecraft-creative-mode-free_GM479516143.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/moon-active_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/how-to-get-free-mods-in-minecraft_GM479516143.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/coinmaster-rewards_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/free-promo-codes-for-coin-master_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/twitter-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/free-robux-please_GM431946152.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/can-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/free-robux-safe_GM431946152.pdfIn PDF document text
- https://ceiprevellodetoro.org/images/how-to-hack-roblox-on-mobile_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.

Filename	Kind	Source	Size
`stream_003_off0000499f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x499F	25136 bytes
SHA-256: `92763674dd290be4715d2908e81b386e472a4812c3e2780b2b17c864ee796483`
`font_01_sfnt_off0000837e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x837E	17796 bytes
SHA-256: `a38909063335524848e6a39e33c0ae3f0b16aca26b06ee664efc1e2cd51527ce`

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