PDF malware analysis — malicious · ce650e3983c9c4e6

MALICIOUS

PDF

45.0 KB Created: 2021-06-03 14:04:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: f0e9520a1935097d992be74a4894fc0a SHA-1: f6856b6cddc4fbc7b86738582bf5f5eb0fb03e97 SHA-256: ce650e3983c9c4e6bdf49590ff46f0a8e670abd8e066ea2659f7510a3cb8a812

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a lure related to game hacks and free spins, directing users to a suspicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect users to potentially malicious content or download further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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-heaven-links-free-spins-game-hack PDF link annotation
- https://www.armera.co.uk/uploads/files/files/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/earn-robux-today_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/how-to-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/how-to-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/free-minecraft-skins_GM479516143.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/coin-master-card-hack_GM406889139.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/roblox-cp_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/roblox-svg-free_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/cool-free-roblox-outfits_GM431946152.pdfIn PDF document text
- https://www.armera.co.uk/uploads/files/files/roblox-2021-hack_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
`stream_004_off0000523b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x523B	26060 bytes
SHA-256: `38d2dc46fd2d3a0c0c445e2f9cac54b5782310dd7062270eb62b28870135d05b`
`font_01_sfnt_off00008d8c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8D8C	18168 bytes
SHA-256: `027d16a1c60dbd0eb1df4048bc3da2018b11e953b841f7f45fc354c272db0dc4`

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