MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains a malformed stream and links to known malicious redirector infrastructure. The primary lure is a "free generator" or "game hack" for Roblox, which directs users to the URL http://netcdn.co/app/431946152/get-free-stuff-on-roblox-2021-game-hack. The document body and embedded URLs suggest a social engineering tactic to trick users into visiting potentially harmful sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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.co/app/431946152/get-free-stuff-on-roblox-2021-game-hack In PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/coin-master-hack-cydia_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/download-minecraft-free-hiapphere_GM479516143.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/roblox-skin-free_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/cheats-coin-master-free-spins-and-news_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/spin-link_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/www-free-robux-come_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/lua-roblox-hack-scripts_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/coin-master-unlimited-spins_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/free-robux-master_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-app_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/coin-master-hack-app-ios_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/cm-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/free-working-robux_GM431946152.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
- https://elearning.man1kotakediri.sch.id/__statics/gudangsoal/files/free-robux-promo-codes-2021_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_off00003147.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3147 | 21988 bytes |
SHA-256: df6ad79b2479fe8633378b0cb8a1c9151ab1e430410813c93200fe140c57f182 |
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font_01_sfnt_off0000623a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x623A | 19296 bytes |
SHA-256: f9a7c5f7769689f9ca6a63ee0eea33730b1e3a9775b101496d0619834162632d |
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