PDF malware analysis — malicious · 70666906069eea51

MALICIOUS

PDF

47.3 KB Created: 2021-05-13 09:31:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 94f9fa216aab62055b04577e7418aac0 SHA-1: 13f29c962c3934c600a7162ecdfed65af7e62754 SHA-256: 70666906069eea5106f060b97d976493364a17e1abb9bbb184e5a5552cd09460

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9013

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-hack-version-2021-free-download-game-hack PDF link annotation
- http://stroyproekzia.ru/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://stroyproekzia.ru/images/wurst-download_GM479516143.pdfIn PDF document text
- http://stroyproekzia.ru/images/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- http://stroyproekzia.ru/images/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/free-robux-mod_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/how-to-get-minecraft-for-free-on-android-device_GM479516143.pdfIn PDF document text
- http://stroyproekzia.ru/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
- http://stroyproekzia.ru/images/roblox-studio-free_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/how-to-make-a-minecraft-client_GM479516143.pdfIn PDF document text
- http://stroyproekzia.ru/images/minecraft-mod-updater_GM479516143.pdfIn PDF document text
- http://stroyproekzia.ru/images/free-robux-only-username_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/how-much-robux-can-you-get-with-1-million-dollars_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/roblox-how-to-get-free-clothes_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/free-robux-meme_GM431946152.pdfIn PDF document text
- http://stroyproekzia.ru/images/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
- http://stroyproekzia.ru/images/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
- http://stroyproekzia.ru/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- http://stroyproekzia.ru/images/free-robux-without-human-verification-2021_GM431946152.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.

Filename	Kind	Source	Size
`stream_003_off0000468a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x468A	24804 bytes
SHA-256: `8c590b073f5c43d37271033a93154d489878d9ebc3c8c0a22df0486ef5aa1036`
`font_01_sfnt_off00007fd1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FD1	8676 bytes
SHA-256: `e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468`
`font_02_sfnt_off0000945c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x945C	18996 bytes
SHA-256: `92d9309ab276bc9aab9745226f7a970795db6d0c86763d97e38cf379742c13e0`

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