PDF malware analysis — malicious · fd1b87b83c3d7fd0

MALICIOUS

PDF

43.0 KB Created: 2021-05-14 03:14:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ccc86cc82fb6f5c3e8460d606b16dc0d SHA-1: d0be27b9177c826beed24636f9d02346a43e2dde SHA-256: fd1b87b83c3d7fd0d28213be8125f14b0e32ee13b66dfa72625718b0c679d10a

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/406889139/best-free-coin-master-spins-game-hack PDF link annotation
- http://www.anies.eu/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/roblox-pink-free-robux_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/free-minecraft-skin-creator_GM479516143.pdfIn PDF document text
- http://www.anies.eu/images/oprewards-com-login_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/how-to-get-free-robux-on-chromebook_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/free-card-link-coin-master_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/minecraft-mod-menu-apk_GM479516143.pdfIn PDF document text
- http://www.anies.eu/images/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/is-coin-master-hack-safe_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/free-robux-no-gift-card_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/download-coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
- http://www.anies.eu/images/how-to-earn-free-stars-on-coin-master_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
- http://www.anies.eu/images/best-free-robux-sites_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/win-free-robux_GM431946152.pdfIn PDF document text
- http://www.anies.eu/images/free-robux-codes-no-human-verification_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
`stream_003_off00004dcf.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DCF	24852 bytes
SHA-256: `1d9d932a8ac21c63c7ed9e54e248e12068dbbe575fb36b97c5c7d0154d3ec6bb`
`font_01_sfnt_off00008633.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8633	18104 bytes
SHA-256: `436267cc97ca62dcb6b786a00ae4dac07e61a92a49e3374a9705b471910eb19a`

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