PDF malware analysis — malicious · 35ade7aef977b92a

MALICIOUS

PDF

34.8 KB Created: 2021-07-06 19:59:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: e8d9bc5d707fc07aaccc509145703cd9 SHA-1: ead4a79d61b8188a82ef87809fea93f793488e0c SHA-256: 35ade7aef977b92a51558a621805e5c1c2c45797bc8bd65cf7bb41084550b366

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains a high-confidence heuristic indicating it links to a 'free generator / game hack' lure. The embedded URL, http://netcdn.tw/app/431946152/do-you-get-free-robux-game-hack, directly supports this finding. While no scripts were explicitly extracted, the PDF structure and the nature of the lure suggest it's designed to redirect users to a malicious site, likely for credential harvesting or malware download.

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/431946152/do-you-get-free-robux-game-hack PDF link annotation
- https://fridaytravelnepal.com/userfiles/files/youtube-free-fire-tik-tok_GM835599320.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/launcher-roblox-hack-dll_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/gg-free-robux_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/mcpe-com_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-spins-coin-master-cheats_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/feb-23-2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/roblox-bee-swarm-hack-for-treats_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/pubg-uc-mongolia_GM1330123889.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-get-free-cards_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/roblox-hack-minig-simulator-v3rmillion_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/minecraft-pe-apk-download-free-015-0_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/minecraft-java-server-hosting-free_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-spins-promo-code-for-coin-master_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-state-of-wrttemberg-roblox_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-free-attack-hack_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
`font_00_sfnt_off00002fc1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FC1	22888 bytes
SHA-256: `f8e6e07dc4666a8a408a4a3bb9f2f2f32a5745d59c70bbfdda61f99f52b314e2`
`font_01_sfnt_off00006314.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6314	18964 bytes
SHA-256: `ddb5e22b76a92656fe94b818197f729afdad82bf61394e252e1f4abfa1fb60d4`

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