PDF malware analysis — malicious · e74bdc59ff7e1ec9

MALICIOUS

PDF

34.6 KB Created: 2021-07-09 08:05:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 1f8d264ceffb966f2f82c880658db667 SHA-1: 033da903f63be12cf0ff5be3b4a9508660d1b8f5 SHA-256: e74bdc59ff7e1ec9b91812be7d618c70ad8bc5fbec61f8cfff58dfea1b9726d7

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-key-free-spin-game-hack PDF link annotation
- https://man2samarinda.com/__statics/gudangsoal/files/roblox-the-best-clothes-for-free_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/collect-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-robux-promo-codes_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/como-hackear-roblox-robux-gratis-2021_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/e-free-roblox_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/claim-robux_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/who-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/how-to-look-cute-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-robux-codes-2021-not-used_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-if-roblox-wasnt-free_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/daily-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/free-gold-cards-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.man2samarinda.com/__statics/gudangsoal/files/roblox-prison-life-hack_GM431946152.pdfIn PDF document text
- https://man2samarinda.com/__statics/gudangsoal/files/free-2021-robux_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_off0000312a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x312A	22876 bytes
SHA-256: `a300739994ecc92bafd7407b06a7c8df7e4bd1c51731e6aceb321abb41cbed2e`
`font_01_sfnt_off0000644f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x644F	18352 bytes
SHA-256: `061150fbdeaed7229e7a1722ec377d93af9e08c005f541ea7c3088ba8c6e6598`

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