PDF malware analysis — malicious · 3bb3282005db8641

MALICIOUS

PDF

43.2 KB Created: 2021-05-14 04:35:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 647ab21672f48d2599a3d459e87daa13 SHA-1: 08aec229664b11488378383de473bad5c003a7f8 SHA-256: 3bb3282005db8641f4bb247e95db15833ac695dc448ace824c155080d9a40b31

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 0.9969

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/479516143/minecraft-free-download-game-hack PDF link annotation
- https://www.hotel-forsthaus.com/images/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/good-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/how-to-hack-coin-master-computer_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/free-robux-live_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/hack-coin-master-nyc_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/where-can-i-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/coin-master-hack-mod-apk-unlimited-spin-download_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/roblox-people-girl_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/promo-code-free-robux_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/real-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/robux-today_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/hack-robux_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/free-robux-hack-generator_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/roblox-robux-generator_GM431946152.pdfIn PDF document text
- https://www.hotel-forsthaus.com/images/coin-master-free-spins-moonactive_GM406889139.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_off000049e1.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x49E1	27344 bytes
SHA-256: `d107a24a4eca8183e17cc8089b5a568d66fb4eb692db16092bb60d29c0c063f1`
`font_01_sfnt_off0000868c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x868C	18292 bytes
SHA-256: `eff5919d985126b8591bb7cd3dea6a103dcf6f67049ada279646be2986fdbf31`

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