PDF malware analysis — malicious · 39f7ed504472415a

MALICIOUS

PDF

33.3 KB Created: 2021-07-09 14:52:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: a3b64169970a7f194d85a60cebbfd73c SHA-1: 4499324576c376306ebb317569994106cc4cdf80 SHA-256: 39f7ed504472415abf915d8fe3e94e7e56a02c1a76e2b58cde34f0ddd7a9e531

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/free-minecraft-server-hosting-game-hack PDF link annotation
- https://sensorcamera-tw.com/upload/files/cheat-arsenal-roblox_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/hack-para-el-catalogo-de-roblox-2021-espaol_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-rules_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-stolen-roblox-games-download_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-guest-0-hack_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-spins-and-cards_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/obby-gives-you-free-robux-no-password-required-2021_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/cipher-roblox-hack_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-reddit_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/how-can-i-get-free-robux_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-roblox-faces-2021_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/easy-way-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/minecraft-maps-pe-free-download_GM479516143.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-avatar-maker-roblox_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/free-tiktok-likes-generator_GM835599320.pdfIn PDF document text
- https://sensorcamera-tw.com/upload/files/roblox-game-free-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_off00002f41.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F41	22152 bytes
SHA-256: `5fc58f248a8861774773ce382ea70db8af0dc9533b70529ecf3b7cb18186caeb`
`font_01_sfnt_off00005ffa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FFA	18112 bytes
SHA-256: `3722fe831b56fbf324865bd98e985c80b873b4d61fb4aa2a64332cfc2a086223`

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