PDF malware analysis — malicious · 56e956801c180d10

MALICIOUS

PDF

36.0 KB Created: 2021-06-19 03:15:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04

MD5: d192df8b38006c085d1b5ecb1dec095c SHA-1: 5d4bc78a0f0ac07c9ed0bcec400fa4eba334f272 SHA-256: 56e956801c180d10ef79620cd8d1239dafc37a4b2c9cc9d73f1395b3f77b4bb4

168 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains embedded JavaScript and links to known malicious redirector infrastructure. The document body and heuristics indicate a lure for game hacks or generators, specifically targeting Roblox and other games. The embedded JavaScript likely facilitates the redirection or download of further malicious content, aiming to exploit the user's interest in obtaining in-game advantages.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 5

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.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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 http://netcdn.co/app/431946152/free-roblox-exploits-october-2021-game-hack In PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/coin-master-free-spin-links-december-30-2021_GM406889139.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/blox-world-free-robux_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/facebook-coin-master_GM406889139.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/pokemon-go-free-ticket_GM1094591345.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/how-to-get-free-robux-in-roblox-2021-on-windows_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/free-roblox-scripts_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/robux-hack-no-verification_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/how-to-become-a-hacker-in-roblox_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/mine-minecraft-games-for-free_GM479516143.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/pokemon-go-free-remote-raid-pass_GM1094591345.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/client-minecraft_GM479516143.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/coin-master-hack-without-downloading-apps_GM406889139.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/coin-master-free-spin-trick_GM406889139.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/free-robuxs-hacks-trackid-sp006_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/minecraft-java-edition-key-free_GM479516143.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://cheryco.ir/assets/public/js/uploading/files/apps-that-give-you-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
`font_00_sfnt_off000033a1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33A1	22780 bytes
SHA-256: `a5fc5582b9b7351b27cce42f3d75dd39d41d03722f7c226413773541aa9106c9`
`font_01_sfnt_off0000667e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x667E	19452 bytes
SHA-256: `a75bcd2b03cd75004f4419ddda360510ca2794edabc050de131bb74178b89ba9`

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