PDF malware analysis — malicious · 077172ef8924c653

MALICIOUS

PDF

45.8 KB Created: 2021-05-10 21:06:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 8e3521fa7d29718db280cf994bab5819 SHA-1: 9fd8248ba4995ebe2abc8771f763fbac29e9996c SHA-256: 077172ef8924c6533e365edd2b68182a0a1e4b1e14df38cfe5aafbeb688593aa

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF document contains multiple embedded URLs that are designed to lure users into clicking on links related to game hacks and free currency. The primary URL, 'https://netcdn.xyz/app/431946152/free-robux-mobile-game-hack', is flagged as a high-risk redirector. The document's content and embedded links strongly suggest a phishing or scam attempt to redirect users to potentially malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

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-mobile-game-hack PDF link annotation
- https://tanahlot.id/assets/CKImages/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-spin-hack-no-verification_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/gamehunters-club-coin-master_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/play-minecraft-online-free_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-script-executor-free_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-free-download_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/minecraft-dungeons-free_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/how-can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-hack-version-download-ios_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-daily-spin-free_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/roblox-premium-free_GM431946152.pdfIn PDF document text
- https://tanahlot.id/assets/CKImages/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004a0d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A0D	26908 bytes
SHA-256: `03f2ea3b000a8ebdf952fd1e5ea9df640530ecd1316bd40e58957242c0859e64`
`font_01_sfnt_off00008629.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8629	2940 bytes
SHA-256: `eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a`
`font_02_sfnt_off00009039.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9039	18404 bytes
SHA-256: `0c312729e80e6e0ca2ee9f4904992f86151ccd5d23fc73e43cbe09e8497f8a48`

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