PDF malware analysis — malicious · 62774bd2b828801e

MALICIOUS

PDF

35.2 KB Created: 2021-07-03 13:09:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: faf09f12430e286672cb96dfa34e7944 SHA-1: 688d8189c9d9177cce7cbb88e16a821c7e2eaa60 SHA-256: 62774bd2b828801e40175a9473e2f79f2b3dc1932e50c61cf1f46303d884dea4

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 http://netcdn.tw/app/406889139/coin-master-free-spins-and-coins-for-iphone-game-hack PDF link annotation
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-robux-kid-friendly_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/download-cheats-for-roblox_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-btools-for-roblox_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/minecraft-free-download-android_GM479516143.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/http-appsmob-info-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/plz-give-me-free-robux_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/minecraft-pe-017-0-apk-free-download-android_GM479516143.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-roblox-intros_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/rewardrobux-com_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/minecraft-games-online-free-no-download_GM479516143.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/roblox-lost-hacks_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/how-can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/coin-master-400-spin-link-hack_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/roblox-cash-hack-script-pastebin-2021_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/http-blackgamesus-coinmasterhack_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://www.awmedicine.com/uploaded_files/userfiles/files/free-roblox-rust-games_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
`font_00_sfnt_off00003448.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3448	22560 bytes
SHA-256: `c7615a3ed20d6114964f1e5b1aae08bdc382b8f02d1f12a06c7c0039d151ea8c`
`font_01_sfnt_off0000668a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x668A	18516 bytes
SHA-256: `61996f55897b37017ba853d195353342f2e66f917d6eb2c1ba4c42edcff5bab8`

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