PDF malware analysis — malicious · 6af59983649c7ef8

MALICIOUS

PDF

45.0 KB Created: 2021-05-12 12:08:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: 8b78346b5e8cb294bcb38b095e28db29 SHA-1: 2966a56a4c37a3b74d0a7a74733b301b36636789 SHA-256: 6af59983649c7ef8f0de7aa8f0e63d80c39c7ea3fd4a9fdb491c712338d4d7f4

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to known malicious infrastructure, specifically advertising free generators for games like Roblox and Coin Master. The primary lure URL is https://netcdn.xyz/app/431946152/robloxfun-com-generator-game-hack. While no scripts were directly extracted, the PDF structure and embedded links indicate a phishing or scam attempt, likely serving as a lure for further malicious activity.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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/431946152/robloxfun-com-generator-game-hack In PDF document text
- http://gamardelli.com.br/images/ckfinder/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/roblox-c9m_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-wheel_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/hack-coin-master-apk-download_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/minecraft-wurst-hacked-client_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/minecraft-pc-download-free-full-version_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/hack-coin-master-343-apk_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-gifts-coin-master_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-spin-link_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/minecraft-windows-10-code-free_GM479516143.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
- http://gamardelli.com.br/images/ckfinder/files/coin-master-daily-free-spins-link-app_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
`font_00_sfnt_off00004a45.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A45	25348 bytes
SHA-256: `db581eb779f59066055b49ede8bae6641dcfb036aa24275a1d72de04a4628786`
`font_01_sfnt_off0000830e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x830E	2820 bytes
SHA-256: `972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714`
`font_02_sfnt_off00008cae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CAE	18516 bytes
SHA-256: `c214cdc5875b8c54705917548ad95da7f9ccbf3c1d69b6e52c4f4c9c63cb00fa`

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