PDF malware analysis — malicious · 458059ce0f4f4b02

MALICIOUS

PDF

42.2 KB Created: 2021-05-14 23:02:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 86dfc2f9543975101218763c93f4c0bb SHA-1: deca06d8baa274d911db9498e4040a7383531fef SHA-256: 458059ce0f4f4b025faa1267f4a55687f1218f3fb1ebb36c0ddc53737d728a35

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/479516143/optifine-minecraft-pe-game-hack PDF link annotation
- https://itamleek.net/uploaded_files/userfiles/files/minecraft-pe-hacks-2021_GM479516143.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-spins-hack-2021_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/best-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-robux-link_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/minecraft-book-collection_GM479516143.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-hack-coin-master-game-without-root_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/robux-without-verification_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-free-download_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/can-you-earn-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-spin-coin-master-instagram_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/robux-hack-2021_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/spin-coin-master-hack_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-minecraft-resource-packs_GM479516143.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-spins-for-coin-master_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_off00004bee.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BEE	24740 bytes
SHA-256: `95aa804d6b2a785f56182cc637e9650c088eeb8c42e5a6abefc816bb1c058735`
`font_01_sfnt_off000083ef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83EF	17896 bytes
SHA-256: `329d7ab062be7e0d43787b7f833dde7fd9b3bb9f29dbab3fb3d55d3ae74c040a`

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