PDF malware analysis — malicious · 0bbf20c6e5903fac

MALICIOUS

PDF

35.2 KB Created: 2021-07-01 20:48:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 914083f985e45f6b5c61f972052b1247 SHA-1: ead1285e222b798b2dfa8533105164af29b7a8a5 SHA-256: 0bbf20c6e5903facf9a338aa5700a32cce969cc172f172d6eab57aa1a1e4c0fd

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, including one at http://netcdn.co/app/406889139/free-coins-and-free-spins-coin-master-2021-game-hack, that promise game hacks and free currency. This lure is a common tactic for phishing or redirecting users to malicious sites. The ML classifier strongly flagged this PDF as malicious, supporting the observed lure.

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/406889139/free-coins-and-free-spins-coin-master-2021-game-hack PDF link annotation
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/hack-coin-pro-coin-master_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/coin-master-hack-version-download_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/coin-master-hack-com_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/free-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/free-robux-just-enter-username_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/roblox-gang_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/how-to-get-robux-fast_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/50-000-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/hack-coin-master-online_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/bloxpink-free-robux_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/coin-master-spins_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/free-online-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/free-robux-no-verification-no-download-2021_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/get-robux-now_GM431946152.pdfIn PDF document text
- https://www.spapanggilanjogja.com/ckfinder/userfiles/files/hack-to-get-free-spins-on-coin-master_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_off0000324d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x324D	22804 bytes
SHA-256: `60fdd42637791f75d97c0642209df435239db9aa43c708b5a0a0ed6566c4909a`
`font_01_sfnt_off00006571.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6571	18752 bytes
SHA-256: `2808497b37fc1d4f34a1fffc3dd5e81983cd3403e98677a9ba5497e95ebc42c8`

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