PDF malware analysis — malicious · 17d14142ead23efe

MALICIOUS

PDF

34.3 KB Created: 2021-06-25 02:45:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 03c4aec046b615c0f42c3f8961ac0fe7 SHA-1: da681347507c0fc4e062069fb7da79771c76290f SHA-256: 17d14142ead23efecb7aa465c250010b2c48cb0550a4c85447875d1328bac1bb

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-generator-2021-no-information-game-hack PDF link annotation
- https://goodtools.tw/upload/files/how-to-hack-coin-master-game-without-root_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-free-coins_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-freebies-2021_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/is-roblox-free-on-three_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/robux-generator-without-verification_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-app-download-pc_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/mcpe-master-coin-hack-apk_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/worst-client_GM479516143.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/50-000-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-script_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-promo-codes-roblox_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/free-robux-generator-download-2021_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/booga-booga-roblox-cheat-codes_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/roblox-free-robux-giveaway-live-2021_GM431946152.pdfIn PDF document text
- https://goodtools.tw/upload/files/was-minecraft-ever-free_GM479516143.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_off00002deb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2DEB	22192 bytes
SHA-256: `4219a518faa4ead2aefd5aaaed4bf4dce46127e23d652f4fb6cad8f72f65a065`
`font_01_sfnt_off00005f24.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F24	19604 bytes
SHA-256: `00d89a3b46b11b262ffd27ae849cfecd5b40282740fecdea26d444be46628bb5`

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