PDF malware analysis — malicious · 4f618040c30e940b

MALICIOUS

PDF

43.8 KB Created: 2021-05-10 18:30:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 13be4ce714f6d68670ec7ba2f7f91217 SHA-1: d9a655d0f0cd77f06baf8755dd48d01c2b1644dc SHA-256: 4f618040c30e940b9af6af84cf0681de8a8ee9cedec86d99b14eec1156f9077e

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 0.9709

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/daily-free-spins-coin-master-game-hack PDF link annotation
- https://wandpiraten.de/images/roblox-hack-unlimited-robux_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/free-headless-head-roblox_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/village-coin_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
- https://wandpiraten.de/images/coin-master-hack-xyz-download_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://wandpiraten.de/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/how-to-get-free-gamepasses-on-roblox_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/robux-premium_GM431946152.pdfIn PDF document text
- https://wandpiraten.de/images/coin-master-free-spins-cheats_GM406889139.pdfIn PDF document text
- https://wandpiraten.de/images/archery-master-3d-coins-hack_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.

Filename	Kind	Source	Size
`stream_003_off0000473c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x473C	24316 bytes
SHA-256: `f150f7cc86d5ede1ddbd84ca9c86c8216c0e0bb23a6aa044a63d2a886eb7d45c`
`font_01_sfnt_off00007f1d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F1D	2840 bytes
SHA-256: `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`
`font_02_sfnt_off000088ce.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88CE	18308 bytes
SHA-256: `814bd0a2b88bdef89f3245e401f7fc464bd7314e61fe604409dcfddce4500050`

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