MALICIOUS
200
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document employs a lure related to Roblox hacks and impersonates PayPal to trick users into clicking malicious links. The embedded link leads to a known malicious redirector infrastructure, likely serving as a gateway to download a second-stage payload. The ML classifier strongly indicated maliciousness, and the combination of brand impersonation and redirector links points to a credential phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9871
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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Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://netcdn.xyz/app/431946152/roblox-body-part-resize-hack-game-hack.
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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 https://netcdn.xyz/app/431946152/roblox-body-part-resize-hack-game-hack In PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/how-to-hack-roblox-and-get-unlimited-robux-2021_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-mobile_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/minecraft-build-hacks_GM479516143.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/roblox-r15-script-hack_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-roblox-2021-no-hacks_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/tiktok-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/mad-city-roblox-cheat-synapse_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/free-followers-on-tiktok_GM835599320.pdfIn PDF document text
- https://forensicsinstitute.org/wp-content/uploads/fsqm-files/freer-pro-tiktok_GM835599320.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_off00005bea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BEA | 26848 bytes |
SHA-256: 95561989b983681b11c0840b3413ca283223c3ca660a3c496e0b9f009458f961 |
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font_01_sfnt_off0000977a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x977A | 18996 bytes |
SHA-256: ef3c6f1b0b8016415b1bca6d9d0660ae18ebc1c4793b9c412e8c7ef7d9cce6f9 |
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