PDF malware analysis — malicious · c7ba45bdd237942b

MALICIOUS

PDF

34.4 KB Created: 2021-07-08 23:23:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05

MD5: 7e2d95089dbdb28b6c3d81f6b377f524 SHA-1: dea3a64d2db1f5380e3534294bd4152fc8430efc SHA-256: c7ba45bdd237942bcfdfd2c2b7a2ae95f74bab105218ea68cd1b800419064a1a

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains heuristics indicating it links to a 'free generator / game hack' redirector, specifically targeting users interested in games like Coin Master. The embedded URL directs to a site promising game hacks, which is a common lure for phishing or malware distribution. While no scripts were extracted, the PDF structure and linked URLs strongly suggest a social engineering attack aimed at tricking users into visiting malicious sites.

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 http://netcdn.tw/app/406889139/free-coins-coin-master-game-hack PDF link annotation
- https://www.apartmani-mestrovic-krk.hr/files/get-2021-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/free-roblox-accounts_GM431946152.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/how-o-have-free-robux_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/roblox-download-pc-free_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/hack-roblox-2021-espaol_GM431946152.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-32-android-mod-hack-apk-download_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/free-accounts-free-robux-and-obc_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-hack-tool-download_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/how-to-get-free-robux-on-your-computer_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/free-robux-sites-reddit_GM431946152.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/coin-master-hack-unlimited-spins-game-download_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/coinmaster-blogspot_GM406889139.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/coin-master-free-link_GM406889139.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
- http://apartmani-mestrovic-krk.hr/files/hitbox-rezise-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.apartmani-mestrovic-krk.hr/files/free-robux-com-no-verification_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
`font_00_sfnt_off00002fb0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2FB0	23524 bytes
SHA-256: `93403076b37532c172bb6f227f5d3ad99f7e6cc30bc0e8fa3b3faf44615ca497`
`font_01_sfnt_off000064cd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64CD	17996 bytes
SHA-256: `db592684bbdaaeb7647633841870edbd5981f70e843d3403859f62ceb8e0c83d`

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