PDF malware analysis — malicious · d194799600216a0c

MALICIOUS

PDF

35.9 KB Created: 2021-07-05 15:23:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 7c0956dd16f40b56350ac518fffe1156 SHA-1: 10a92f46e7e981f6c46c2e614eeaa65b3cfdd3cd SHA-256: d194799600216a0cf0ff550f558b111c9cc9d747d41a4ee7afaeaceb30c6c47a

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-daily-free-spins-link-today-blog-game-hack PDF link annotation
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/minecraft-fly-hack_GM479516143.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/roblox-hack-unlimited-robux-and-tickets-roblox-facebook_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-robux-clothes_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/robux-get-com_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-robux-games_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/how-to-get-any-gamepass-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/202100-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/cm-daily-spins_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-hack-mod-apk-2021-download_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-claim-free-spins_GM406889139.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/robux-converter_GM431946152.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/where-to-buy-pubg-uc-cheap_GM1330123889.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/can-i-download-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://elearning.mtsn5blitar.com/__statics/gudangsoal/files/coin-master-play-online-free_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_off00003338.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3338	23136 bytes
SHA-256: `3526b108ba5d32b1c81ee4ae26d716f25882eba78e86ed37e631df64ae180e9c`
`font_01_sfnt_off0000672d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x672D	19156 bytes
SHA-256: `09b1cdc1283068c485bfced7c85533ce23b9c20e7767d1eac4088bba3ec2de37`

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