PDF malware analysis — malicious · 297c6fbc6413226a

MALICIOUS

PDF

44.6 KB Created: 2021-05-17 06:13:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 5c7060633affd17c41dee12511c75923 SHA-1: 69b3675a2c7eb370f99b8a481eaf07a6c7a1e714 SHA-256: 297c6fbc6413226aa2e5da2721e649f0e21be2fa4be4464bef14adbb70573cb3

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 0.9980

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/406889139/coin-master-hack-ios-cydia-game-hack PDF link annotation
- https://www.yatrikathmandusuite.com/userfiles/files/spin-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/60-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/op-rewards-robux_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-daily-free-coins-link-today_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/free-robux-legit_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-get-free-spins-on-coin-master-without-waiting_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-card-hack-apk_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/girl-roblox-avatar_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-hack-2021-android_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-hack-pc-cheat-engine_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/minecraft-apk-114_GM479516143.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-free-spins-and-cards_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/minecraft-114-download_GM479516143.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-hack-mcpe-master-coins_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/best-way-to-get-free-robux_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_off0000472e.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x472E	31572 bytes
SHA-256: `765a5ba3fc2caaaf5c0dafe2de914cdcea49ba2971141870be0df1a1b8b2b37c`
`font_01_sfnt_off00008cb1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CB1	18072 bytes
SHA-256: `2d204714e7ecc0ada3d20692b14752d7a228914fcb1cb1d03a14579bf96f2857`

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