PDF malware analysis — malicious · ea97f805eda00783

MALICIOUS

PDF

35.8 KB Created: 2021-06-24 03:49:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 817a5cffb80da4ace14449f2bce86db1 SHA-1: 123af9e245b55f4cf9de5228a064978e0b0dee1a SHA-256: ea97f805eda00783f7678f26945d338ec04281611b59dc4c8554a42c977fdf4a

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.co/app/406889139/coin-master-free-account-game-hack PDF link annotation
- https://www.advancissurgical.com/uploads/files/files/admin-hack-roblox-espaol_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/hacks-roblox-funcinan_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/fire-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-be-a-inspect-hack-on-mobile-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-latest-version-hack_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-premium-roblox_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-minecraft-texture-packs-java_GM479516143.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/coin-master-level-3_GM406889139.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/how-to-get-robux-without-paying_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/roblox-survivor-script-hack-pastebin_GM431946152.pdfIn PDF document text
- https://www.advancissurgical.com/uploads/files/files/show-me-how-to-get-free-robux_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_002_off00003543.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3543	23372 bytes
SHA-256: `df0266107691e00418e422a70721a4dd9cc3e59816363550408cc10a5a2f36e7`
`font_01_sfnt_off000069c9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69C9	18140 bytes
SHA-256: `11f67ef085c710a7785db0f802dd38e36edd3c3b38e68f0579fce2295e93cef5`

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