PDF malware analysis — malicious · fcadef2149e347c0

MALICIOUS

PDF

36.0 KB Created: 2021-07-05 21:54:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 51aa43ba9db8dd5449a8f528c411ef93 SHA-1: a287bd9d31fa0db2a35dc95c70f8e7a8a797d929 SHA-256: fcadef2149e347c06864324807f4a889e17aba4208647504eb2cdbf50a9e42a1

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a high-severity heuristic indicating it's a game hack redirector lure, directing users to a suspicious URL. The document body and numerous extracted URLs reinforce this, pointing towards a scam designed to trick users into downloading potentially malicious content or visiting phishing sites. No scripts were extracted, but the overall pattern suggests a social engineering attack.

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/406889139/coin-master-hack-2021-ios-download-game-hack PDF link annotation
- https://nhaphangjapan.vn/public/upload/files/roblox-cheat-enginefor-rodebux_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/javascript-free-robux_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/free-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/csrb-roblox-cheats_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/roblox-free-hair-catalog_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/roblox-hack-download-pc-2021-jailbreak_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/free-robux-no-scam-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/coin-master-free-spins-link-2021-no-verification-deutsch_GM406889139.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/coin-master-free-link-today_GM406889139.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/microsoft-free-robux_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/can-my-childs-friend-hack-roblox-game_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/free-coin-master-spins-for-today_GM406889139.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/free-bloxburg-roblox_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/how-to-get-games-that-cost-money-for-free-roblox_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/como-hackear-el-juego-coin-master_GM406889139.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/free-roblox-toy-codes_GM431946152.pdfIn PDF document text
- https://nhaphangjapan.vn/public/upload/files/you-promised-my-son-free-robux_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
`stream_002_off000032f1.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x32F1	23324 bytes
SHA-256: `eab9501c123b7553137e09307d4eba0d41d2ea065330c1bf2bb566e5bd7db0bb`
`font_01_sfnt_off000067aa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x67AA	18988 bytes
SHA-256: `050b91db1b0ce997d5149ba527f7e1e895cfc1813b762364afa072aec8cf4c9e`

Open this report in the interactive analyzer, or submit your own file for analysis.