PDF malware analysis — malicious · 52e5cfcd05856d6d

MALICIOUS

PDF

34.3 KB Created: 2021-07-06 04:17:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 5924e7ca3b9cb7c320f1bd468ee05c19 SHA-1: 158beb9ba6317358ec4755f0367100e81a3cc92b SHA-256: 52e5cfcd05856d6d624e9f431104f03664e5917325cef8c9763e4803dc8480cf

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/coin-master-free-spins-game-hack PDF link annotation
- https://www.alamrayabali.com/assets/CKImages/files/hack-a-roblox-player_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/real-roblox_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-free-spins-deutsch-download-2021-link_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-hack-with-facebook-login_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/roblox-free-gamepasse-script-2021_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-official-fan-page_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/is-there-actually-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/how-to-hack-roblox-counter-strike_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-robux-obby_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/fps-roblox-free_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/how-to-check-if-your-roblox-account-is-hacked_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/minecraft-windows-10-edition-free_GM479516143.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-modded-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/cheat-buddy-roblox-scripts_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/instantrobux_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/roblox-robux-giver-free-download_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_off00003196.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3196	22528 bytes
SHA-256: `f64bfae39f4471b448965ac40e0f86957ff3a2279c2970ff4bb46ca6b8c2b00e`
`font_01_sfnt_off000063c2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63C2	18176 bytes
SHA-256: `c90cd52c690b3b1dd04b69356ad4f8db221968fb130a3d2ff71dcd50323a1a90`

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