PDF malware analysis — malicious · 4145333bd8b30772

MALICIOUS

PDF

35.9 KB Created: 2021-06-23 13:22:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 4a4bce07bc8e756184941ebcff678621 SHA-1: a2efa106116c008196ff76d8f2ed5a22125d6483 SHA-256: 4145333bd8b30772af898cd07cc846584010357d69ed0cf3bea0ad3fb18fcb0e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a lure for a 'game hack' which redirects to a malicious URL. This suggests the document is intended to trick users into visiting a site that likely hosts a malicious payload or exploits. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/roblox-scp-site-61-card-hack-game-hack PDF link annotation
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-minecraft-skins-java_GM479516143.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-clothes-and-hats-on-roblox_GM431946152.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-spin-coin-master-link-today_GM406889139.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/monttechscom-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-hack-download-2021_GM406889139.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-get-robux-free-no-hack_GM431946152.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-pastebin-javascrit_GM431946152.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-live_GM431946152.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/roblox-hack-apk-latest-version_GM431946152.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/www-free-robux_GM431946152.pdfIn PDF document text
- https://www.pasangindovisionjogja.com/ckfinder/userfiles/files/coin-master-mod-version-free-download-v344_GM406889139.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/how-to-test-roblox-shirts-for-free_GM431946152.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://pasangindovisionjogja.com/ckfinder/userfiles/files/minecraft-modded-client_GM479516143.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
`font_00_sfnt_off0000338f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x338F	22484 bytes
SHA-256: `adf8408353ba70d164e234c3102f40d2a1b7cbcc845f0442ff26066f0c11d452`
`font_01_sfnt_off000065b3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65B3	19504 bytes
SHA-256: `a347aa9e3c0ce6ba3c4ed3b31b83f0d2ca9286b89ac1b366d40c888793ad42dc`

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