PDF malware analysis — malicious · ea64d48a832b417e

MALICIOUS

PDF

35.2 KB Created: 2021-07-05 18:05:20 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 07d7d4f62c66a280e652a6a8b1e73d25 SHA-1: 65e41d65b55088896f0dba0d4d31febbbb771686 SHA-256: ea64d48a832b417e5069591552afbbc1bfef8e58bb9ad5a7b2fdb22db1f95eb4

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/roblox-studio-free-game-hack PDF link annotation
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/no-human-verification-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/free-tiktok-coins_GM835599320.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/roblox-hack-mining-simulator-rebhirt_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/minecraft-hacked-apk_GM479516143.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/mcpe-free-download_GM479516143.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/hack-coin-master-spin_GM406889139.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/how-can-you-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/anzeigewwwwowcom-roblox-cheats-free_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/como-ganar-robux-gratis-hack_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/coin-master-mod-apk-latest-hack-with-unlimited-free-spins_GM406889139.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/how-to-hack-arsenal-roblox_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/new-cheat-emgine-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/roblox-how-to-get-free-robux-no-hacks-no-glitches_GM431946152.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/minecraft-java-account-free_GM479516143.pdfIn PDF document text
- http://www.lorengntb.com/new/public/ckfinder/userfiles/files/how-to-get-free-robux-pc-2021_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_off0000313d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x313D	22792 bytes
SHA-256: `b8f7ad730702c2a2bf0e3e70961372afd29befd075437c19d58bea034bbc5943`
`font_01_sfnt_off0000642e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x642E	19188 bytes
SHA-256: `a8f681c18c5380531c3743548279ef24b074491e5ef3cbdd9afbc7b3c7c74193`

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