PDF malware analysis — malicious · 5c84e9ecc8ca8154

MALICIOUS

PDF

32.7 KB Created: 2021-07-04 02:03:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ddada6aad13eab08d1ba0a5ee8bddbfb SHA-1: 10401180167262c550be35006e4bcb86605aefb2 SHA-256: 5c84e9ecc8ca81540466e5c27e6885910d0cbbf1020b5494a7daff3cc0a32df2

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 0.9824

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/406889139/apk-hack-coin-master-game-hack PDF link annotation
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-34-4-free-download_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/download-roblox-hack-apk-pc_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-apk_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/hack-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-back-accessories-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-wizard-life-galleons-hacks_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-do-you-use-tunturned-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/get-robux-today_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-dominus-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/playing-games-that-give-free-robux_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/roblox-obux-hack-client_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-spin-coin-master-2021-link_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-glitches-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/how-to-make-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.bodyammo.in/uploaded_files/userfiles/files/daily-free-spin-coin-master-link_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_off00002b66.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2B66	22524 bytes
SHA-256: `270ccda115c23bb661d97c899feca93215d43a6b815d976e45b982b9cd5d9087`
`font_01_sfnt_off00005d8c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5D8C	18180 bytes
SHA-256: `bbc4eac059efcf8bf1e74c2581f3a6bb8c6757dc141f09cf3b32e8008e1b5aa4`

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