MALICIOUS
280
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains multiple links designed to lure users into clicking on a "free generator / game hack" which redirects to a credential phishing page impersonating Facebook. The document also contains numerous links to other PDF files, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of redirector links and brand impersonation further supports a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9796
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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.online/app/431946152/free-robux-no-verification-game-hack.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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.online/app/431946152/free-robux-no-verification-game-hack In PDF document text
- http://library.smpn2-byl.sch.id//repository/roblox-place-rewards_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-hack-apk-ios_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/download-hack-coin-master-apk_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-unlimited-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id/repository/how-to-got-free-item-robux_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/coin-master-hacks-for-free-spins_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/apk-hack-coin-master_GM406889139.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/john-doe-roblox-hacker_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/getrobux-ninja_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/robux-free-c_GM431946152.pdfIn PDF document text
- http://library.smpn2-byl.sch.id//repository/free-minecraft-mods-for-ps4_GM479516143.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 |
|---|---|---|---|
font_00_sfnt_off000053d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53D2 | 25804 bytes |
SHA-256: 499c8aeb98b80eae271e55e4459e5e55471af4c5b6d654b52c43f4dd6fb763c6 |
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font_01_sfnt_off00008f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8F3A | 2888 bytes |
SHA-256: cea35febb52dd848fda636d3c9a00307dd81488221075bf65b1d268d3ae12741 |
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font_02_sfnt_off00009938.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9938 | 18600 bytes |
SHA-256: 361892a278de990f6dfe9fe9f512a0ec39aeba1740037781b92f32c6ad2b5051 |
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