PDF malware analysis — malicious · 6e2a041d38e6a09c

MALICIOUS

PDF

43.2 KB Created: 2021-05-19 00:02:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: b2e772f37077dd1d9ee3dc71412ae967 SHA-1: 80f16b9bab7085d1fdbbed515c309ee348c17f6f SHA-256: 6e2a041d38e6a09c8faf1f54b4f6d63ee8be694f6eb3f981e4fa81436d8fc8cf

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a lure related to 'free generator / game hack' which strongly suggests a social engineering tactic to redirect users to malicious websites. The primary malicious URL identified is https://netcdn.xyz/app/431946152/robuxy-com-free-robux-game-hack. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate it's designed to exploit user interest in game cheats to lead them to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/robuxy-com-free-robux-game-hack PDF link annotation
- https://www.simplenepaltravel.com/userfiles/files/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-free-coins-spins_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/minecraft-java-code-free_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/minecraft-java-free_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/grabpoints-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/hack-minecraft_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-hack-dot-xyz_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/free-robux-images_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://www.simplenepaltravel.com/userfiles/files/80-free-spins-coin-master_GM406889139.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_off00004d5c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4D5C	24844 bytes
SHA-256: `d588c3039167b4fd2cb439b41c0d52dc22ee439affc7e9ad6c5aa5fda0a36030`
`font_01_sfnt_off00008621.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8621	18452 bytes
SHA-256: `502ad6067225007cfeab5155f8ca615546b56d7ab4478b734f537abd02c25d18`

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