PDF malware analysis — malicious · 210e266d1f728d2e

MALICIOUS

PDF

48.2 KB Created: 2021-06-02 08:13:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 6b5de18e5573c04024fb85cbd081e211 SHA-1: 163c983cb2aef4626d6c75ef85199a69630c5bb4 SHA-256: 210e266d1f728d2e65b61c82836f58ae4b14232b15f8d89c39b3c16c8b92867b

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9871

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF'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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
External URI info PDF_URI

PDF contains an external URL action
Embedded URL info EMBEDDED_URL

One 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.xyz/app/431946152/roblox-hack-no-human-verification-android-game-hack PDF link annotation
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/roblox-adopt-me-hack_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/coin-master-apk-hack-32_GM406889139.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/robux-game_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/roblox-free-exploits_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/roblox-2021-hack_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/roblox-studio-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/coin-master-gift-link-hack_GM406889139.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-robux-quiz_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/free-robux-gift-card-codes-2021_GM431946152.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/coin-master-hack-2021-link_GM406889139.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/how-to-get-free-tiktok-coins_GM835599320.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
- https://elearning.min1bangkalan.com/__statics/gudangsoal/files/coin-master-free-items_GM406889139.pdfIn PDF document text
- https://www.roblox.coIn 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_004_off00004fbb.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FBB	32780 bytes
SHA-256: `1aa61aed015a3adfd839c959435adcb6a01fa068cdab45c2e91e6102aeecc365`
`font_01_sfnt_off00009795.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9795	19116 bytes
SHA-256: `fe54a12abfc42005f46bcdc1bbdc5543a3748059f32efcd4d5b389891a02cf18`

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