PDF malware analysis — malicious · 59ff7dc85e0df2dd

MALICIOUS

PDF

42.3 KB Created: 2021-05-16 14:33:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: ed36f9dc7e467e69e203649fbe32dba0 SHA-1: 226fc9c5f4a581175de94e96480b6f4f6ba2bb66 SHA-256: 59ff7dc85e0df2dd396ab00f8401da356dfcdb0fa771fca9d5846636cfbd8ca1

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/minecraft-noob-vs-pro-vs-hacker-game-hack PDF link annotation
- https://itamleek.net/uploaded_files/userfiles/files/hack-coin-master-pc_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/rblx-city-free-robux_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-cracked-apk-free-download_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-avatar-girl_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/easy-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/minecraft-hack-client-18-9_GM479516143.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-hack-apk-android_GM406889139.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/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-coin-master-hack_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/free-robux-mod_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/coin-master-apk_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/robux-fun-hack_GM431946152.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
- https://itamleek.net/uploaded_files/userfiles/files/roblox-report-hacker_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_off00004a5b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A5B	25000 bytes
SHA-256: `13afc7e8bbb5612c6a29437125abe52bbdefa07d01f5ce297585d2fe294e9dff`
`font_01_sfnt_off000082ce.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82CE	18328 bytes
SHA-256: `a3a1f77715833b119a7491346a779344ae6dab601cd7000bc388e6bf0c64b7ed`

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