MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a malformed stream and links to a known malicious redirector infrastructure, specifically http://netcdn.tw/app/431946152/free-robux-codes-no-human-verification-game-hack. This redirector is likely used to deliver a second-stage payload or phish for credentials. The document body and embedded URLs reinforce the lure of free game hacks and virtual currency, a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LUREPDF'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.
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Embedded URL info EMBEDDED_URLOne 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/free-robux-codes-no-human-verification-game-hack In PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/minecraft-images-free_GM479516143.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-tiktok-followers-no-survey_GM835599320.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/minecraft-build-hacks_GM479516143.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-jailbreak-nuevo-menu-de-hacks-actualizado-rocket-fuel_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/hack-para-murder-mistery-2-2021-roblox_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-hack-no-survey-2021_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-robux-no-hacking-2021_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-script-executor-roblox_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/auto-hack-xyz-roblox_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/hacked-client-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/roblox-g_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-tiktok-likes_GM835599320.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/how-to-hack-roblox-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/robux-at-http-free-robux-space_GM431946152.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
- https://www.modestuae.com/uploaded_files/userfiles/files/free-robux-no-human-verify_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_off00002ff9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2FF9 | 22052 bytes |
SHA-256: 8b55c256fa03e68e09af29a05b93d5828defb64e12bac83d904c452f909c20a7 |
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font_01_sfnt_off000060c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60C2 | 19508 bytes |
SHA-256: 2dfde449b123a820f71ecd143a07ff41e89d4c72f15aa4e6fc945965a2c79889 |
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