PDF malware analysis — malicious · 694cbc8a58067b0f

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 02:42:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 605dccbbfd6d15c8da620f0ecdf46495 SHA-1: 2595a0fe3a89fd739a1c5926dbf952c8b57b5614 SHA-256: 694cbc8a58067b0fe5e4ce0836b55226231e2b15f6af951782de2c4ed46b4ab5

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/406889139/free-spin-coin-master-hacktoman-game-hack PDF link annotation
- https://www.jjpremiers.com/files/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
- https://www.jjpremiers.com/files/free-robux-just-click_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/free-minecraft-generator_GM479516143.pdfIn PDF document text
- https://www.jjpremiers.com/files/free-roblox-hair-codes_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://www.jjpremiers.com/files/roblox-how-to-hack-someone_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/claim-free-robux_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/free-robux-picture_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/how-to-hack-roblox-tycoons-2021_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
- https://www.jjpremiers.com/files/best-free-roblox-shirt-making-software_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/coin-master-daily-gifts_GM406889139.pdfIn PDF document text
- http://jjpremiers.com/files/coin-master-gameplay_GM406889139.pdfIn PDF document text
- https://www.jjpremiers.com/files/try-minecraft-free_GM479516143.pdfIn PDF document text
- http://jjpremiers.com/files/minecraft-hacked-client_GM479516143.pdfIn PDF document text
- https://www.jjpremiers.com/files/free-roblox-hack_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/animations-give-free-robux-robuxian_GM431946152.pdfIn PDF document text
- http://jjpremiers.com/files/roblox-cheat-engine-hacks-october-2021_GM431946152.pdfIn PDF document text
- https://www.jjpremiers.com/files/robux-cheats-no-survey_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_off00002ea2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2EA2	22388 bytes
SHA-256: `352b54d0703c015447819e96a9c18a4ec6726304d6a1ded8db52dcd12de3f6c0`
`font_01_sfnt_off00006086.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6086	18604 bytes
SHA-256: `092ffbafa19cb666fedd88cc6a278ef9f8aeef3cf6d4ae51d97a0b919694eedf`

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