PDF malware analysis — malicious · a944932f812b2cce

MALICIOUS

PDF

49.7 KB Created: 2021-05-10 21:33:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: fab67362e9c0dea78b2b16a988242acc SHA-1: cd4b15b9da031f09065438de0e4908b6180afd6d SHA-256: a944932f812b2cceacefffb9c682f803ce5e14bf5324a6d044b236d5e537f5d4

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it's a lure for game hacks and redirects users to external URLs. The document body, though heavily obfuscated, contains references to 'free Robux' and 'game hack', reinforcing the lure. The embedded URLs likely lead to further stages of the attack, such as phishing pages or malware downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9349

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/orewards-com-free-robux-game-hack PDF link annotation
- https://ourlady-elearning.com/userfiles/files/free-roblox-account-generator_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-free-shield-link_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-spin-and-coin-links_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/master-free-spin-and-coin-link_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/roblox-hair-for-free_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-minecraft-addons_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/minecraft-cracked-client_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-here_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-coin-master-spins-hack_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-minecraft-gift-codes_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-coin-master-links_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/hack-crack-for-coin-master-currency_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-el-tiger-card-free_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-15-free-spin-link-of-last-5-days_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_off00004c89.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C89	31008 bytes
SHA-256: `8b2b831962c0926b8e62d8e4f310e1ef0017831afcf58a2bfa3df8ef7ad4f12d`
`font_01_sfnt_off000092de.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x92DE	3500 bytes
SHA-256: `e49a868379cd3c37e631c5a53c010e21f38d803532a2b8417aee82315d4e8634`
`font_02_sfnt_off00009e7f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E7F	18840 bytes
SHA-256: `db65450964d7be290e65cdc2a92251ec8b560453bbe28e14c4f3d4713211f4b7`

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