MALICIOUS
220
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document employs a lure of free game currency and hacks to entice users. It contains numerous links, including one to a known malicious redirector at http://netcdn.co/app/431946152/free-robux-giftcard-codes-2021-game-hack, and a large number of links to other PDF files hosted on mescosa.com, forming a link farm. The document's structure and content strongly suggest it is part of a phishing or scam campaign, likely intended to lead users to potentially malicious websites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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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/free-robux-giftcard-codes-2021-game-hack In PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/coin-master-free-spins-link-may-2021_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/how-to-create-group-in-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/coin-master-game-hunters-club_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/free-robux-just-click_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/robux-free-com_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/real-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/roblox-hack-robux-420-apk-aptoide_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/roblox-hack-script-injector-download_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/roblox-assassin-knife-hack-spawner_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/free-coin-and-spin-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/all-the-roblox-redeem-cards-in-the-world-for-free_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/coin-master-hack-tool-exe_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/coin-master-heaven-free-spins_GM406889139.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/robux-free-c_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/free-roblox-gift-card-codes_GM431946152.pdfIn PDF document text
- https://www.mescosa.com/uploaded_files/userfiles/files/getrobux-come_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_off00003198.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3198 | 22568 bytes |
SHA-256: 7a460c639ad3479df8d29a25fe4dc76b66450842860901dd93ca9e1742838f50 |
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font_01_sfnt_off00006415.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6415 | 19516 bytes |
SHA-256: 5c8c4c1e9ac43114085cda15430bd0d9a5b851ce2da5dde02f66139cb8dc9024 |
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