PDF malware analysis — malicious · 86e03494e7102939

MALICIOUS

PDF

46.6 KB Created: 2021-05-10 19:03:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 67b78dfd0bf35af9cc16820e54cfe361 SHA-1: f4a509db955159ef15d74f9e13dfa4580a0e342b SHA-256: 86e03494e710293956b661c6583e5fc7a668c348fc016d674cd9a8f756768dcb

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 0.8958

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/all-links-for-free-spins-coin-master-game-hack PDF link annotation
- https://dirigentigiustizia.it/images/roblox-hack_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/coin-master-100-spin-hack_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/free-robux-survey_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/free-roblox-svg_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/coin-master-33-hack-version-download_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/claimrbx-free-robux_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/how-to-hack-coin-master-game-ios_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/free-robux-link_GM431946152.pdfIn PDF document text
- https://dirigentigiustizia.it/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/hack-coin-master-app-ios_GM406889139.pdfIn PDF document text
- https://dirigentigiustizia.it/images/rbx-place-free-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004704.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4704	25156 bytes
SHA-256: `4e8c042255dd8acc0a7378f1a5a226c79d84e480ecbb959ecb7294ee3fabbef4`
`font_01_sfnt_off00007fd6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7FD6	8676 bytes
SHA-256: `e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468`
`font_02_sfnt_off00009460.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9460	18128 bytes
SHA-256: `044c53bac45d08d3f17c9b545fd6795d0ac3787584b11a8d468fb1cbfbbac23d`

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