PDF malware analysis — malicious · 44ac6efc4ada599f

MALICIOUS

PDF

43.1 KB Created: 2021-05-17 14:05:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: ad1647f3f56d73fa78c1bb812ba6bd15 SHA-1: af4b6eaeed73d1fc8e0d4a56e684183066d99dc0 SHA-256: 44ac6efc4ada599f72de196057042902f3d104bfaa94d449be1eb4b5f6778222

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 0.9971

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 https://netcdn.xyz/app/431946152/free-robux-quiz-game-hack PDF link annotation
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/free-robux-group_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/roblox-promo-codes-2021-robux_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/info-roblox-com-robux_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/how-to-hack-robux_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/how-to-win-robux_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/how-do-i-earn-robux_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/cm-spin-link_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/free-roblox-intros_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/free-coin-master-spins-link-facebook_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/how-do-you-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/coin-master-hoe-to-get-extra-free-spins_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/robux-game-com_GM431946152.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/minecraft-free-education_GM479516143.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/coin-master-blogspot_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/mcpe-master-hack-coin-apk_GM406889139.pdfIn PDF document text
- http://greenpalm.com.tw/uploads/ckfinder/userfiles/files/coin-master-hack-online-download_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_off00004bdb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4BDB	25092 bytes
SHA-256: `9bf9e2c2cc96a35c07865f2f398679378024ecf89348a07881a29f70cbb294af`
`font_01_sfnt_off000085da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x85DA	18376 bytes
SHA-256: `b52519a3f27e6183245bec6d77d3cda93d913202ea7147b0d6d9048d316cd5fc`

Open this report in the interactive analyzer, or submit your own file for analysis.