PDF malware analysis — malicious · 9f733fbe36c8f86b

MALICIOUS

PDF

33.7 KB Created: 2021-07-06 14:23:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: c4743c09ef88c0905e45645e7cfd1ab1 SHA-1: ab336ff7a2f8ab2b186f8ab7946b031cc108ab59 SHA-256: 9f733fbe36c8f86bcbe39dec9d4d6baf908e148f5ceef6d83adbc1b05bc7c9f8

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/479516143/minecraft-hacks-pc-game-hack PDF link annotation
- http://moneymaker-gold.de/files/coin-master-100-spin_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/roblox-download_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-to-get-free-robux-in-2021_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/roblox-free-online-game-demo_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-hack-spins-ios_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
- http://moneymaker-gold.de/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-to-get-free-robux-in-ios-ipad_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-to-get-free-admin-on-roblox-working_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-hacks_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/hacks-para-robar-todo-sin-hacer-nada-en-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-roblox-scripts_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/bubbles-hack-roblox_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/arsenal-fly-hack-roblox_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/how-to-hack-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://moneymaker-gold.de/files/coin-master-hack-uk_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/united-gaming-net-coin-master-hack_GM406889139.pdfIn PDF document text
- http://moneymaker-gold.de/files/free-robux-app-real_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_off0000300f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x300F	22280 bytes
SHA-256: `438c6d326ed236f669d7579ade2e8c60a6447c1087e6bf158ef5c8f0d53a3da9`
`font_01_sfnt_off00006157.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6157	18180 bytes
SHA-256: `07b76f9baed0128e51c97dec540ec85ee324852e40b3966ddcd0b7b03af6c7e6`

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