PDF malware analysis — malicious · a467031e24c1268b

MALICIOUS

PDF

33.8 KB Created: 2021-07-06 17:14:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 4d47e3295a4fad7ea806d1ea9821beb7 SHA-1: e7932d0f0d099aec514a98ac767b55fd6b58adea SHA-256: a467031e24c1268b87e4fb898cc25c98497ddfd332f22be46d09b4128444fb24

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/431946152/roblox-hack-apk-game-hack PDF link annotation
- https://www.yatrikathmandusuite.com/userfiles/files/mcpe-com_GM479516143.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/hack-roblox-players_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/hackear-coin-master_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/free-game-pack-with-google-play-coin-master_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-blogspot_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/free-spins-on-coin-master-generator_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/minecraft-svg-free_GM479516143.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/earn-robux-today_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/irobux-com-redeem_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/como-hackear-coin-master_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/roblox-hack-tool_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/appsmob-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/how-to-get-minecraft-for-free-on-laptop_GM479516143.pdfIn PDF document text
- https://www.yatrikathmandusuite.com/userfiles/files/coin-master-daily-free-spins-link-facebook_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_off00002f49.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F49	21852 bytes
SHA-256: `72c9fc2e14e31f4f56fda04c9a795bb76fff818254aa6c2a69f337b50625008e`
`font_01_sfnt_off00005fa5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5FA5	18832 bytes
SHA-256: `306f83865665730cccb200b9769a14693e944a35f37b3076e40f03dcf922f572`

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