MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF contains a malicious redirector link disguised as a 'free generator / game hack' lure, impersonating Microsoft. The link directs to http://netcdn.tw/app/431946152/free-roebucks-com-game-hack, which is known malicious infrastructure. The malformed stream length heuristic suggests an attempt to hide exploit code, likely leading to client-side exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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: http://netcdn.tw/app/431946152/free-roebucks-com-game-hack.
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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-roebucks-com-game-hack In PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/coin-master-free-spins-reddit_GM406889139.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-robux-legal-2021_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/ho-to-get-min-on-roblox-for-free_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/minecraft-free-download-android_GM479516143.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/roblox-www-com_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-robux-live_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/eroblox-hq-free-robux_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/coin-master-heaven-daily-free-spins_GM406889139.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-minecraft-codes-2021_GM479516143.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/how-to-hack-in-roblox-any-game_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/roblox-hack-free-robux-pastebin_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-follower-bot-roblox_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/coin-free-master_GM406889139.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-roblox-open-groups_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/free-stuff-on-roblox_GM431946152.pdfIn PDF document text
- http://elma.man2kotakediri.sch.id/__statics/gudangsoal/files/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.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_off000031f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x31F8 | 22744 bytes |
SHA-256: ab759eb8477830d1a2b598be921fd6b42dfa5345c5a3f69ae14c04cea903c672 |
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font_01_sfnt_off0000652b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652B | 18936 bytes |
SHA-256: b2340242e0f706a134ee95089d80a66f4cba946ff070ca77717c3cdb3a8b675a |
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