PDF malware analysis — malicious · 03f8204cb2b4d430

MALICIOUS

PDF

36.0 KB Created: 2021-07-04 06:51:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 389b74453bf435cd9b4fcc18ab82faae SHA-1: 851b26f31f553650cdba876bbaa7f3335d941bab SHA-256: 03f8204cb2b4d43024f92ba3ad4bb0aa63f62c80f0d3f03f1d17d625b757070b

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 0.9980

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.tw/app/479516143/do-you-get-minecraft-windows-10-for-free-game-hack PDF link annotation
- https://www.takathmanduhotel.com/userfiles/files/coin-master-spin-link-free_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/hackear-juego-coin-master_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/roblox-free-old-accounts_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/how-to-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/minecraft-reach-hack_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/dbs3-roblox-hack-script-pastebin_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/lemonade-hack-roblox-download_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/how-to-get-free-shirts-on-roblox_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/earn-robux-online_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/free-spins-coin-master-no-verification_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/roblox-free-online-game_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/coin-master-online-hack_GM406889139.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/minecraft-pe-apk_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/free-robux-com-real_GM431946152.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/is-java-minecraft-free_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/minecraft-apk-android-free_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/aternos-free-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.takathmanduhotel.com/userfiles/files/roblox-private-server-free_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
`font_00_sfnt_off0000345a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x345A	22624 bytes
SHA-256: `50dd9f6058ff0c448f02144e57a221527d4baea53cb275b958a57d8f9e4501a4`
`font_01_sfnt_off00006707.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6707	19280 bytes
SHA-256: `82868eabda4cfb8b8a166ceadd1c13ff807df88b14785b0e9b7f75ebacc4b760`

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