PDF malware analysis — malicious · f0758cb2fb5f90e4

MALICIOUS

PDF

35.6 KB Created: 2021-07-05 05:08:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 0eb4d0afe5fe021ec62d4a5fc7e63c31 SHA-1: 178b1f049f37443bdff5e9301b682dc42a086c91 SHA-256: f0758cb2fb5f90e45af164a5020c8a334642b875714ed6f3857c1c58e11dbb57

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/431946152/free-robux-without-human-verification-2021-game-hack PDF link annotation
- https://www.soil2soul.ae/uploaded_files/userfiles/files/flying-hack-in-roblox_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-vip-server-roblox-ninja-legends_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/get-coin-master-cards-free_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/da-hood-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/money-hack-for-roblox-vehicle-simulator_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-robux-generator-no-human-verification-2021-pc_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-spin-coin-master-link-today_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/cm-free-spin-link-today_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/minecraft-windows-10-hack-client-2021_GM479516143.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-ios-hack_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/get-free-robux-card-codes_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-roblox-promo-codes-for-robux-2021_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/how-to-sell-stuff-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/where-to-buy-pubg-uc-cheap_GM1330123889.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/free-robux-no-download_GM431946152.pdfIn PDF document text
- https://www.soil2soul.ae/uploaded_files/userfiles/files/roblox-free-followers_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_off0000324c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x324C	22108 bytes
SHA-256: `46cb21314eda9c095efd456790bd8cac4881e122058aed00d8ba2abafefde834`
`font_01_sfnt_off0000632f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x632F	20100 bytes
SHA-256: `224766b145fea2ee77d6018406834ac88e8b97acd6b6511a2b41135dc58ea70f`

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