PDF malware analysis — malicious · ffc07df5e89fa7fe

MALICIOUS

PDF

33.4 KB Created: 2021-07-07 21:08:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 181acfaa0da97ae78a6876b5ebdd1197 SHA-1: 4eea22da3ecf957827b5f1e23a5c2f270611885d SHA-256: ffc07df5e89fa7fe382bb296d9a1c121247c0737c2203b10dfd68bf28a803de6

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.tw/app/406889139/coin-master-free-spins-hack-iphone-game-hack PDF link annotation
- https://www.jonaled.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-iphone_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/actual-free-robux_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/best-roblox-free-hacks-exploits_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/crystalsheepyoutube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-robux-today_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/how-to-avoid-getting-hacked-on-roblox_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/coin-master-free-spins-11-01-2021_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-tiktok-bots_GM835599320.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/cheat-jailbreak-roblox-fr_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/roblox-my-hero-academia-online-hack_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/box-prizes-earn-free-robux_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/how-to-hack-roblox-admin-with-cheat-engine-63_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/coin-master-game-free-spin-download_GM406889139.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/how-to-get-more-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/rbx-earn_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/roblox-free-robux-download-pc_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-robux-clothes_GM431946152.pdfIn PDF document text
- https://www.jonaled.com/uploaded_files/userfiles/files/free-island-tribes-vip-roblox_GM431946152.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_off00002e79.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E79	22152 bytes
SHA-256: `f888d82448e45524a5a8325d0d04d2b25d1595cc87ba249aaf9cae460ff04945`
`font_01_sfnt_off00005f78.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F78	18512 bytes
SHA-256: `f42da8955ac0b14df7498282519dbf61ee386aa1420e52cc2fe2324e7f413181`

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