MALICIOUS
208
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document employs a lure related to Roblox game hacks and impersonates Microsoft to entice users to click a malicious link. The primary malicious URL identified is https://netcdn.xyz/app/431946152/roblox-system-game-hack, which is flagged as a known malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect the user to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9551
Heuristics 6
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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-system-game-hack.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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-system-game-hack In PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/withdraw-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/roblox36com-free-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/hack-coin-master-game_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/promo-code-free-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/how-to-hack-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/public-enemy-sun-prairie-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/roblox-hacks-and-cheats_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/robux-in_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/what-is-a-robux_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/how-to-get-free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/how-to-hack-peoples-roblox-accounts_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/free-robux-link_GM431946152.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- http://perpustakaan.stikim.ac.id/slims/repository/hack-coin-master-apk-32_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 |
|---|---|---|---|
stream_003_off00004a14.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x4A14 | 24204 bytes |
SHA-256: 97abf8fcd84b7dfcc1f268b119026506226589c0420c60bed9f5d0f0ccf1d3c6 |
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font_01_sfnt_off00008146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8146 | 3884 bytes |
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf |
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font_02_sfnt_off00008dee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DEE | 18328 bytes |
SHA-256: 00842c74fa3c26a16ae32436b275a2230c03f77988fffeb41884b4851770a755 |
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