PDF malware analysis — malicious · 6a9705440dc54490

MALICIOUS

PDF

35.5 KB Created: 2021-06-26 16:55:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: d7073fa00a4c023add902d2c855ee6c1 SHA-1: d6464e385fb91f2b09027d0c399055468c5b8611 SHA-256: 6a9705440dc544906006bc239eee12a78c241e77e3e480f57b9d3bfc1583019f

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.co/app/431946152/free-robux-no-inspect-element-game-hack PDF link annotation
- https://ourlady-elearning.com/userfiles/files/free-coins_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-spins-on-coin-master-link_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-roblox-codes_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-1021_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/can-you-host-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-100-free-spins-link_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hoe-to-get-extra-free-spins_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-apk_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/el-mayor-hacker-de-roblox_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/how-to-get-minecraft-coins-for-free_GM479516143.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/roblox-generator-no-human-verification_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-robux-no-password_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/free-avatar-roblox_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/recover-hacked-roblox-account_GM431946152.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/latest-free-spin-coin-master-daily_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-links-for-free-spins_GM406889139.pdfIn PDF document text
- https://ourlady-elearning.com/userfiles/files/coin-master-hack-app-2021_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_off000030d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30D8	23252 bytes
SHA-256: `74f23cb27e2f163193492a46663fc7edf3576fb31d7486e6a01f559dcd361260`
`font_01_sfnt_off0000651d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x651D	19332 bytes
SHA-256: `430f8e69be43781398d50001f3f48571d671cde05053a44bdf031de2418a1223`

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