PDF malware analysis — malicious · 10040706d646fb26

MALICIOUS

PDF

35.1 KB Created: 2021-07-06 12:24:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 23f5b99767453dc11b23eefa230aba38 SHA-1: 110a79df94b71612e132dc8e99ad45cd2617c2f7 SHA-256: 10040706d646fb267a958960a8f2ee5e63eaac23d61483374d40633cdee5747e

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/synapse-roblox-free-download-game-hack PDF link annotation
- https://www.bathshoponline.co.uk/uploads/files/files/hacker-minecraft-song_GM479516143.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/ways-to-make-free-robux_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/roblox-free-robux-generator-no-survey-and-humen_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/roblox-hack-online-no-download_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-robux-only-username_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/roblox-hack-ios_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/hacks-para-coin-master_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-robux-hack_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-roblox-hack-us_GM431946152.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/minecraft-java-edition-free-download-for-android_GM479516143.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/coin-master-gifts_GM406889139.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-minecraft-survival-server_GM479516143.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/minecraft-redeem-code-free_GM479516143.pdfIn PDF document text
- https://www.bathshoponline.co.uk/uploads/files/files/free-roblox-hacker-com-robucks_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_off000030d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30D7	22336 bytes
SHA-256: `f35a01ad8426c92abd34f416f59894533537987e32e28e37bd1c00b83ba6714c`
`font_01_sfnt_off0000627e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x627E	19512 bytes
SHA-256: `7da73edf140496b7de741247622447fc01b10910c59fc7d44162edb3e0c91153`

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