PDF malware analysis — malicious · 97aa9d656b27b5da

MALICIOUS

PDF

43.1 KB Created: 2021-05-15 02:07:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: f657d236e4af433d452cbc883e920618 SHA-1: 2df0c06ab160daef33617ca99075451819e03a7f SHA-256: 97aa9d656b27b5dae07a86d85d376573672959ff5d1440000dcf747b20c4a493

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 0.9971

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/robux-miner-game-hack PDF link annotation
- https://lesegais.ru/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-shield-link_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/free-unlimited-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-mod-version-free-download-v344_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-35-2-hack_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-robux-master_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/free-minecraft-shaders_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/minecraft-hacks-115-2_GM479516143.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/get-free-robux-generator_GM431946152.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-spins-hack_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/como-descargar-coin-master-hackeado_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-game-free-download_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/mcpe-master-hack-unlimited-coins-download_GM406889139.pdfIn PDF document text
- https://lesegais.ru/images/coin-master-free-raid-link_GM406889139.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_003_off000048c4.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x48C4	26948 bytes
SHA-256: `04f3dd6b7279293dbc4c2eaed249084feb4a5698dc6d084e033046e1459734f0`
`font_01_sfnt_off00008696.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8696	18168 bytes
SHA-256: `92c1dc62f701fc46bda7a736e087260fd47c015b1cecaf90561e375dcfd5c8ad`

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