PDF malware analysis — malicious · 22f2bdcbe3d1414a

MALICIOUS

PDF

45.7 KB Created: 2021-05-12 16:37:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: d13901f25db1858365c827c24d4a925d SHA-1: aadb655001842fdf879251b1a5084c7a50fff6ea SHA-256: 22f2bdcbe3d1414a53b9026e55017fbf01c23f7bf76f6eb3749315674eaef986

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous links to external websites, many of which are structured as SEO-optimized PDF files promising game hacks and free currency. The primary URL, https://netcdn.xyz/app/406889139/coin-master-daily-spins-and-coins-game-hack, is flagged as a game hack redirector. This suggests the document is part of a phishing or scam campaign designed to drive traffic to potentially malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9507

Heuristics 5

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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-daily-spins-and-coins-game-hack PDF link annotation
- http://ig-tauchen.de/images/coin-master-free-gift-links-2021_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/coin-master-free-spins-and-coins-group_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/how-do-you-get-free-roblox_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/generator-robux_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/working-coin-master-hack_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/free-minecraft-svg-cutting-files_GM479516143.pdfIn PDF document text
- http://ig-tauchen.de/images/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
- http://ig-tauchen.de/images/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/get-coin-master-spins-free_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
- http://ig-tauchen.de/images/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
- http://ig-tauchen.de/images/free-spin-link-of-coin-master_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
`font_00_sfnt_off00004a0d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A0D	24536 bytes
SHA-256: `10ea30f6da0daa547309208d78c12b9b7de18141ba4435db269e0b068e6a456d`
`font_01_sfnt_off00008252.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8252	4020 bytes
SHA-256: `dbaa9c12d07f3632734605f1d5d6dee3ad5af1f57488e46d95dab68b383f08c5`
`font_02_sfnt_off00008fd9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8FD9	18320 bytes
SHA-256: `72bd1e2907631a8d3a24a2cbbaf0d47ee6e4295bb5156def0c8a538e1f6b3f69`

Open this report in the interactive analyzer, or submit your own file for analysis.