PDF malware analysis — malicious · 86fb7cee55d100e9

MALICIOUS

PDF

46.1 KB Created: 2021-05-14 21:00:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: a82764657a1c4248e737e88b9ce6a9d7 SHA-1: e2010e859618d314103abf72d6b2dfcdc801f3f7 SHA-256: 86fb7cee55d100e984b9ccb2d1a982904aeaa44b4f6c496d3eb27f71e9edc38d

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 0.9432

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/406889139/coin-master-links-to-free-spins-game-hack PDF link annotation
- https://jdlgroup.ca/images/coin-master-free-spins-and-coins-app-download_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/how-to-hack-roblox_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-free-bonus_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/roblox-cheat-codes_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-free-spins-uk_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
- https://jdlgroup.ca/images/free-free-robux_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/minecraft-account-hacked_GM479516143.pdfIn PDF document text
- https://jdlgroup.ca/images/minecraft-esp_GM479516143.pdfIn PDF document text
- https://jdlgroup.ca/images/minecraft-sign-up-free_GM479516143.pdfIn PDF document text
- https://jdlgroup.ca/images/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
- https://jdlgroup.ca/images/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://jdlgroup.ca/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/best-roblox-hacks_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/uprobuxcom-free-robux_GM431946152.pdfIn PDF document text
- https://jdlgroup.ca/images/how-to-get-more-robux_GM431946152.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
`stream_003_off000048ca.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48CA	24392 bytes
SHA-256: `9f144fcbb8c6dac90e9e10a3fb3cd2cc860470d7dc6761b9a498ceaf851a1c8d`
`font_01_sfnt_off0000807a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x807A	7332 bytes
SHA-256: `d811e0aca85f3b94c42cd1240eec68b8eb378f3d8be5e408d3f6abd0f11f834d`
`font_02_sfnt_off00009292.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9292	18056 bytes
SHA-256: `38227f22c56e8db7fcd930f70334a55dc145d883d99f149f685c4c449ac5af35`

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