PDF malware analysis — malicious · 5e9e3c09d894a78d

MALICIOUS

PDF

34.5 KB Created: 2021-07-08 11:52:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: fb00f2925a60171eb741a88322028b98 SHA-1: a1e4b042318d5fe31dfcb2086805ef62d6ef15e3 SHA-256: 5e9e3c09d894a78d0362680cb7848a643bb5333094303ac6942d9ef470cd1e4b

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-working-hack-game-hack PDF link annotation
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/minecraft-creative-mode-free_GM479516143.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-roblox-hack-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/minecraft-free-version-pc_GM479516143.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/roblox-free-skin_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/coin-master-35-13-hack-download_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/minecraft-ps4-free_GM479516143.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/coin-master-hack-apk-2021_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/coin-master-hack-ios-without-verification_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/rbxboost-free-robux_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/coin-master-bonus_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/robuxian-robux-hack-prison-klife_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/how-to-get-robux-on-ipad-for-free_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/coin-master-update-2021_GM406889139.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/free-clothes-roblox-catalog_GM431946152.pdfIn PDF document text
- https://www.portalgrandeponto.com.br/public/uploads/galerias/ckeditor/files/slurp-hack-roblox-download_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_off00003296.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3296	22448 bytes
SHA-256: `50ba42fe4781ade7ad4dffcd153981634a0895e86922530245e46d41eacdf0e2`
`font_01_sfnt_off00006461.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6461	18204 bytes
SHA-256: `c0d48818ffdaf61c16224bc7da9184709f9ce3d52e3b4ea6b6c72b3114ee60e3`

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