PDF malware analysis — malicious · 1a302d06eeab46ee

MALICIOUS

PDF

34.1 KB Created: 2021-06-29 15:15:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 0d76e5a780448457f4524dd634509b17 SHA-1: 116c4f937a4c116659720af57a6cba809c31da83 SHA-256: 1a302d06eeab46ee399db496e025311d6575991cbacf208f0870b7eec2bc3802

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.co/app/431946152/como-hackear-a-una-persona-en-roblox-game-hack PDF link annotation
- https://www.tw-storage.com.tw/upload/files/coin-master-raid-hack_GM406889139.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/roblox-pokemon-brick-bronze-free-dantdm_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/free-roblox-game-advertising_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/protosmasher-roblox-hack-free_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/pig-master-coin-master-free-spin_GM406889139.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/broken-bones-4-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/how-to-hack-back-a-roblox-accunt_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/coin-master-400-spin-link-hack_GM406889139.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/free-robux-come_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/free-robux-hack-2021-august_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/minecraft-name-tag-hacks_GM479516143.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/roblox-install-free_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/how-to-get-free-robux-on-roblox-2021-hack_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/rake-roblox-hacks_GM431946152.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/how-to-get-minecraft-java-for-free_GM479516143.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/free-redeem-code-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.tw-storage.com.tw/upload/files/roblox-hack-download-robux-pc_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_off00003038.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3038	21788 bytes
SHA-256: `35739a8368f2af21c30193b0946c83dfce1c916ef29a0e591f2f664772c5369a`
`font_01_sfnt_off00006047.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6047	19072 bytes
SHA-256: `ade5012da63cadcf00177144169849dc8a3bc5d3b5ee4cbf69e4fbb3c7ac0700`

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