MALICIOUS
160
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains multiple links that redirect to malicious infrastructure, specifically advertising 'free Robux' or game hacks. The primary lure URL is http://netcdn.tw/app/431946152/free-robux-codes-2021-not-used-game-hack. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering tactic to drive users to potentially malicious websites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9946
Heuristics 4
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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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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-robux-codes-2021-not-used-game-hack In PDF document text
- https://feuerwehr-rheinau.de/images/free-robux-gift-card_GM431946152.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/minecraft-apk-download-v1-144-2-free_GM479516143.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/rblx-city-free-robux_GM431946152.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/minecraft-free-play-no-download_GM479516143.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/free-minecraft-maps_GM479516143.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/earn-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://feuerwehr-rheinau.de/images/daily-free-spins-coin-master_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_off00002ac7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2AC7 | 23644 bytes |
SHA-256: 468661a7e7b651f88d167e524005f3c3fc33c4af8d0fd9f56b160fa0448d1294 |
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font_01_sfnt_off00006053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6053 | 18880 bytes |
SHA-256: 342a41804753b243bf13fa7c19db71c7debbb8fa80f4750c82899b0ccf7aa343 |
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