PDF malware analysis — malicious · 5b6323e26f0549d8

MALICIOUS

PDF

45.3 KB Created: 2021-05-11 03:33:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 98d8e14629d25f8a15fe1c6f57848254 SHA-1: 883ac64feabe22bc81c204ce422bf5070b5ab7ec SHA-256: 5b6323e26f0549d8d63a056dd22366fb6ff47bf1136d3c84bbbe8fd2e492882d

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 https://netcdn.xyz/app/479516143/minecraft-tiktok-hacks-game-hack PDF link annotation
- https://nyomansuwirta.com/assets/CKImages/files/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/free-robux-com_GM431946152.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/free-links-for-free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/coin-master-hack-version-2021-download_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/hack-coin-master-game_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/roblox-top_GM431946152.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/robux-free-online_GM431946152.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/spin-and-coin_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/download-coin-master-apk-hacked_GM406889139.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/minecraft-for-free-games_GM479516143.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/best-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/wurst-112-2_GM479516143.pdfIn PDF document text
- https://nyomansuwirta.com/assets/CKImages/files/mcpe-master-coin-hack-apk_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
`stream_003_off00004c3d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4C3D	29948 bytes
SHA-256: `d7cc65383527ec76f9e6f28f099e30ac566ef13a4875b5776805df4735797089`
`font_01_sfnt_off00009042.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9042	17880 bytes
SHA-256: `d5bc1f00134bcbca17edb073a38cf34a4b8369625bcb3a8e6d2c090e6dde0fec`

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