MALICIOUS
258
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document employs multiple lures, including a fake CAPTCHA, urgency, and a 'game hack' pretext, to trick users into clicking a malicious link. The link, http://netcdn.tw/app/1330123889/pubg-uc-with-jazz-cash-game-hack, is associated with known malicious redirectors and brand impersonation (Apple). The overall goal appears to be credential harvesting or leading the user to download further malicious content.
Machine Learning
- Nyx PDF Classifier clean score 0.0098
Heuristics 8
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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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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/1330123889/pubg-uc-with-jazz-cash-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 http://netcdn.tw/app/1330123889/pubg-uc-with-jazz-cash-game-hack In PDF document text
- http://lib.uho.ac.id/library//repository/coin-master-free-100-spin-link_GM406889139.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/minecraft-logo-maker-free_GM479516143.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/coin-master-hack-apk-2021-ios_GM406889139.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/coin-master-hack-tool-for-pc_GM406889139.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/minecraft-free-download-iphone_GM479516143.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/delta-roblox-hacking-tool_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/free-robux-no-email_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/roblox-hack-tool-apk-download_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/free-spin-coin-master-twitter_GM406889139.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/free-robux-no-apps_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/comment-cheat-les-robux-ilimit_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/minecraft-pocket-apk_GM479516143.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/is-minecraft-bedrock-free_GM479516143.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/minecraft-free-android_GM479516143.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/easy-robux_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library//repository/how-to-get-free-shirts-on-roblox_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/robux-free-codees-legit_GM431946152.pdfIn PDF document text
- http://lib.uho.ac.id/library/repository/free-robux-now_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 |
|---|---|---|---|
stream_024_off00037ccb.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x37CCB | 25928 bytes |
SHA-256: ad8fd3ff2d6ee853029ebe83c8acba7748aeb889ca4fd9c26dfbc5b925331850 |
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font_01_sfnt_off0003b9ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3B9EA | 18960 bytes |
SHA-256: 0841e1cf9c9dd39c9a0d9c74b2d5cfdb090c2313c3f3533999ad81c3544ae492 |
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