PDF malware analysis — malicious · eaa00fac8fcbfe65

MALICIOUS

PDF

44.1 KB Created: 2021-06-03 14:59:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: e53f8dac3a8958fbba43d433ef34e449 SHA-1: 157f1f24d118a97608921af9866b0b7fddf231be SHA-256: eaa00fac8fcbfe65e141ed9523abe33b83e7038f811e4fbc887e0d2f2d09c2f6

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 0.9865

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 https://netcdn.online/app/406889139/moonactive-free-spins-game-hack PDF link annotation
- https://www.jcn.co.uk/uploads/files/files/easy-robux_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/is-minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/minecraft-svg-free_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/hack-version-of-coin-master-apk-download_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/pubg-uc-olx_GM1330123889.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/minecraft-free-trial_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-spin-link-coin-master-today_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-minecraft-account_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/coin-master-daily-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-rare-cards-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-minecraft-mods-for-xbox-one_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/coin-master-tricks_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/try-minecraft-free_GM479516143.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.jcn.co.uk/uploads/files/files/coin-master-free-spins-hack-apk-download_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
`stream_004_off0000523d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x523D	24772 bytes
SHA-256: `d395e7f8192717e9f01a7999c2e15296c4b62a21a1eeead4ae5a02ba320352fb`
`font_01_sfnt_off00008a7a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A7A	18000 bytes
SHA-256: `525e065cc595701650099d1f547d5a2db26dd24a903bd4cc3081529fc79bef99`

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