PDF malware analysis — malicious · 5fd4c49ef5b36033

MALICIOUS

PDF

35.2 KB Created: 2021-07-03 23:44:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24

MD5: 8439c8a1c2d18420e396f4c9d063d443 SHA-1: 47e3a17e4753f9753514d61f094ac9de89d0c491 SHA-256: 5fd4c49ef5b36033ef1cafaaaa8ec88780cee426f86e9c65b4215f525f86905d

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/431946152/mobihack-net-roblox-hack-game-hack PDF link annotation
- http://charivne.info/ckfinder/userfiles/files/how-to-make-a-free-robux-game-on-roblox-alvinblox_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-minecraft-skins-java_GM479516143.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/pubg-uc-voucher-redeem_GM1330123889.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-minecraft-games-for-kids_GM479516143.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/coin-master-free-coins-and-spins-2021_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/roblox-jetpack-simolator-hack_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-coins--spins-coin-master_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/hack-coin-master-android-game_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/roblox-inappropriate-games_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/lazyblox-com-free-robux_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/how-do-you-get-robux_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/coin-master-email-rewards_GM406889139.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/how-to-get-minecraft-bedrock-for-free_GM479516143.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-robux-redeem-codes-2021_GM431946152.pdfIn PDF document text
- http://charivne.info/ckfinder/userfiles/files/free-robux-websites-that-actually-work_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_off000030f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30F3	22736 bytes
SHA-256: `835425b4e18e282727517f670653ec09301b573b4cdfb005383f038f48a7be3e`
`font_01_sfnt_off000063ec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63EC	19244 bytes
SHA-256: `88e598bc89789b8ac21b9f126080391bbc9d3fa977fc33123edec0983ecad616`

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