PDF malware analysis — malicious · 210ace90bdfb5ae2

MALICIOUS

PDF

45.1 KB Created: 2021-05-11 08:00:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: d3daa3ad83d4b58b3d90c0e0ff5ac71d SHA-1: d3dd7068c2cdb7068467495d5fc89ab22f403100 SHA-256: 210ace90bdfb5ae254f2b81cbf443c888d04f1e62b6a071874dbdd4dd1701c2a

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for a 'free Robux generator' and a high-severity heuristic firing for a game hack redirect. The embedded URL, https://netcdn.xyz/app/431946152/free-robux-generator-no-human-verification-or-survey-2021-game-hack, likely leads to a malicious site. While no scripts were explicitly extracted, the PDF structure and heuristics suggest an attempt to trick users into visiting a potentially harmful resource, aligning with a phishing or social engineering attack.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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/free-robux-generator-no-human-verification-or-survey-2021-game-hack PDF link annotation
- https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-daily-gift-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/minecraft-reach-hack_GM479516143.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-spins-october-28-2021-coin-master_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/games-like-coin-master-for-free_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-real-free-spins_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/coin-master-cards-for-free_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/coin-master-key-free-spin_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/bloxpage-free-robux_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/coin-master-new-link-free-spin_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/coin-master-download-hack_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/coin-master-el-tiger-card-free_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-vip-server-roblox_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-robux-gift-card_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_003_off00004d6d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D6D	27156 bytes
SHA-256: `fcfaac517161b69287c213e636ae0c56f135662a8497e0fbae31023b2a613807`
`font_01_sfnt_off00008a67.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A67	19556 bytes
SHA-256: `3a60cdb248c638d1e974f8488a9d0c49865e0dbecbd8cc682acbe36144e2e86e`

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