PDF malware analysis — malicious · b0e7c22e88244562

MALICIOUS

PDF

33.0 KB Created: 2021-07-03 19:04:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 949d75c512cbe30bcfc018044cbe1bb0 SHA-1: 9fc55bf128c7c2f4521beb66a338bdb70eec3780 SHA-256: b0e7c22e88244562f4bebe2766feb92e063f6af0e60363defaa86adf4c980a1a

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/infinite-robux-game-hack PDF link annotation
- http://nationshield.ae/userfiles/files/free-online-minecraft-server_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-extra-spins_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hack-teleport-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/get-robux-now_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/withdraw-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-redeem-codes_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-how-to-make-a-shirt-for-free_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-hack-account-script_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/wurst-112-2_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-pet-snacks-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/robux-robux_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-tiktok-followers-app_GM835599320.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-get-stuff-that-cost-coins-free-mcpe-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/archery-master-3d-hack-unlimited-coins-cheats_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-hack-someones-roblox-account_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_off00002c7d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2C7D	21772 bytes
SHA-256: `9025495475e4a040db1d7bce78b7fbd9786e262e51bba46f9f03a6d57f9e20f6`
`font_01_sfnt_off00005c77.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C77	18776 bytes
SHA-256: `6559db9f10e61eafe98b55ccb4610bfd84743cf65295aeea339135f9dc34c138`

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