PDF malware analysis — malicious · 3d9176cb328dba3b

MALICIOUS

PDF

35.4 KB Created: 2021-07-04 04:31:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 7d2f21d9d97cc9cea2d36b7775b6c86a SHA-1: 901137ac4ee9db285d3eca8ea3d29c8c10530d5a SHA-256: 3d9176cb328dba3b2f25464af8b3a66395bdf14eedb0333cfe3baee7ad4e0966

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/479516143/minecraft-survival-hacks-game-hack PDF link annotation
- https://silvterie.com.br/images/ckfinder/files/coin-master-free-gold_GM406889139.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/roblox-rhythm-track-hack_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/roblox-free-for-tablet_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/coin-master-free-coins-amp_GM406889139.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/coin-master-spins_GM406889139.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/is-pokemon-go-a-free-app_GM1094591345.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/robux-free-2021_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/minecraft-pocket-edition-apk-free-download_GM479516143.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/roblox-how-to-reclaim-hacked-accounts_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/free-minecraft-codes_GM479516143.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/roblox-murder-mystery-2-hack-exploit_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/roblox-get-free-robux-cheat-engine_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/minecraft-that-you-can-play-for-free_GM479516143.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/script-executor-roblox-download-free-2021_GM431946152.pdfIn PDF document text
- https://silvterie.com.br/images/ckfinder/files/free-robux-generator-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_off000034ff.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x34FF	22644 bytes
SHA-256: `c1b2371d78f01700156e9a2b4fa54708b48099cf82f4967fb832fa89715a376d`
`font_01_sfnt_off0000679c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x679C	18356 bytes
SHA-256: `3f8c07b70f743712d3b4317b18b553f1a7ae77b3390c9655d2aa42ba9c2140cb`

Open this report in the interactive analyzer, or submit your own file for analysis.