PDF malware analysis — malicious · 48a0ac6dda1e375c

MALICIOUS

PDF

35.0 KB Created: 2021-07-04 10:22:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 5f3d8a979d80b64d61a92bae50a26ac7 SHA-1: 4e39b9923fafe7ed45e87621b2de913213fb0d3a SHA-256: 48a0ac6dda1e375c7e95ce5dfe510a90ae79db6852b59b1292daf849fe98c910

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/835599320/tiktok-free-followers-hack-game-hack PDF link annotation
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/dbzfs-roblox-hack_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/roblox-cheat-engine-hack-robux_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/how-to-hack-your-own-account-on-roblox_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/coin-master-free-spin-today-2021_GM406889139.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/guy-goes-to-jail-for-hacking-roblox_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/roblox-hacks-2021-level-7_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/roblox-cheat-engine-wallhack_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/robloxfun-com-generator_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/coin-master-hack-ios-12_GM406889139.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/minecraft-bedrock-edition-pc-download-free_GM479516143.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/download-hack-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/free-robux-no-verification-android_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/free-robux-master_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/roblox-hack-peoples_GM431946152.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/minecraft-pe-apk-free-download_GM479516143.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/coin-master-hack-uk_GM406889139.pdfIn PDF document text
- http://www.marvelorlubricants.com/uploaded_files/userfiles/files/free-stuuf-in-roblox_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_off00003249.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3249	23220 bytes
SHA-256: `d870709b4529967896f25fac07854667a0952ee430a36b36d88a75ae28f7c424`
`font_01_sfnt_off00006643.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6643	18208 bytes
SHA-256: `94afc177687388eead2e3557162237dd6cee93562df2719246f37416b1b30d97`

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