PDF malware analysis — malicious · 1a089136e064cd2c

MALICIOUS

PDF

50.3 KB Created: 2021-06-03 08:30:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 884485d33a56301af3eef820077aeeba SHA-1: f91c70ee3e54ef079e0f88d7606ef5f8d34f4519 SHA-256: 1a089136e064cd2c346f8715eaff562828354376b2894f4cc0d2f9fb7b21ec57

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence heuristic indicating it links to a game hack generator lure. The document body, though partially corrupted, contains text related to 'Coin Master Hack' and '8 Ball Pool', reinforcing the lure. The primary malicious URL identified is https://netcdn.online/app/406889139/coin-master-hack-8-ball-pool-game-hack, which is likely the destination for the malicious redirection. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

Nyx PDF Classifier malicious score 0.9625

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.online/app/406889139/coin-master-hack-8-ball-pool-game-hack PDF link annotation
- https://allhimalayantreks.com/userfiles/files/free-minecraft-skins-girl_GM479516143.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/coin-master-free-spins-links-app_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/games-that-give-free-robux_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/minecraft-free-download-android_GM479516143.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/roblox-hack-app_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/download-coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/bloxland-earn-free-robux_GM431946152.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/coin-master-rewards-2021_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/coin-master-codes_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/coin-master-hack-september-2021_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/how-to-get-free-coins-on-coin-master-hack_GM406889139.pdfIn PDF document text
- https://allhimalayantreks.com/userfiles/files/master-coin-hack-game_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00004ff0.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FF0	25480 bytes
SHA-256: `c9e8d00193f5d1703aadbfae6d7fc7c7165081f475968b4b3a95f4a19ea8a6e5`
`font_01_sfnt_off000089ce.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x89CE	4092 bytes
SHA-256: `5f209d2de47fc1d1daa3f7a159899a6156681217a4da0d2c4432eb95998bf980`
`font_02_sfnt_off000097a6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x97A6	2788 bytes
SHA-256: `6fd7c7f447d66842f81aa8cf197935b17f22157d0c7e9f95622df1b5b4ddf530`
`font_03_sfnt_off0000a196.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA196	18372 bytes
SHA-256: `a36c8568268bd3843c99b13e037ad7d172b032abb8e2fd77dcfbea09e612cebb`

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