PDF malware analysis — malicious · d2e819d577605f09

MALICIOUS

PDF

34.9 KB Created: 2021-07-04 06:03:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: eda4cc8fee81dfc67a0b2c38d9d0af0e SHA-1: 3b53a4c4c74a55012d2a52b3822003995135e1a9 SHA-256: d2e819d577605f09996d3df1a6b97f58bbd76185110752415039f6b11337d458

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/no-human-verification-game-hack PDF link annotation
- https://ethraa.ae/userfiles/files/free-roblox-account-giveaway-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/7-year-old-roblox_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/robux-match_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/tiktok-free-tv-shows_GM835599320.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/roblox-tower-defense-simulator-hack_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-free-coins--spins_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-hack-a-roblox-account-password-2021_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-star-codes-roblox_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/coin-master-free-spins-link-2021-no-verification-deutsch_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-with-developer-tools_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/robux-generator-without-verification_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/free-robux-and-builders-club-generator_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/how-to-play-minecraft-for-free-on-computer_GM479516143.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/roblox-lumber-tycoon-2-cheater-box_GM431946152.pdfIn PDF document text
- https://ethraa.ae/userfiles/files/master-coin-hack-mod_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
`font_00_sfnt_off0000320f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x320F	22392 bytes
SHA-256: `8ba82a2569ba433beedc3a2657196d648993b9bfdc6d58b76fd02b420f27247c`
`font_01_sfnt_off000063f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63F7	18800 bytes
SHA-256: `55f9cc06344b09eb097327d8c2c67ed0091103996824edc99a0eec52cd2b8046`

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