PDF malware analysis — malicious · bc94a7820c8903e0

MALICIOUS

PDF

44.0 KB Created: 2021-05-16 01:34:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: fe5a85f312e2afab604cf06c78b49dd0 SHA-1: 9e0131d124f0b1784cdd74f11253d9a3a9fc0613 SHA-256: bc94a7820c8903e04df627b6155cfb9ed32d2bb5ea67f6a47e879d657b181279

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 0.9969

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-build-hacks-game-hack PDF link annotation
- https://kitchenset-jogja.com/ckfinder/userfiles/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-game-legitimate-hack-without-signing-up-or-shareing_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-online-free-spin_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-get-free-roebucks_GM431946152.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/roblox-hack-site_GM431946152.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-33-hack-version-download_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-get-more-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/scaffold-minecraft-hack_GM479516143.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/hack-coin-master-no-verification_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-download-hack_GM406889139.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-minecraft-account-reddit_GM479516143.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-100-robux_GM431946152.pdfIn PDF document text
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coinmaster-free-spins-link_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_off00004a63.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4A63	31244 bytes
SHA-256: `5e505baabd3879c969727a88983eab0392af71cd1a33e56a952aaa8ab3158e74`
`font_01_sfnt_off00008a01.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A01	18344 bytes
SHA-256: `504dc7aae18f41d03fb81a40dc2b00347564f3d62703eefd30bc8cf15d610b16`

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