PDF malware analysis — malicious · 5f18695bbf01cc42

MALICIOUS

PDF

34.6 KB Created: 2021-06-21 01:49:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 1153cecb33c54c4efbe6c066c8d48e6c SHA-1: 6cd28938d26803b8d48849c2284d7ead89c03384 SHA-256: 5f18695bbf01cc42d8a1278c0ccbfdf142bbbb0bd69677a95293d21146d3c9cc

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure for a "free generator / game hack" which redirects to the malicious URL http://netcdn.co/app/431946152/easy-robux-cheat-game-hack. This URL likely hosts a malicious payload or leads to further phishing attempts. The ML classifier strongly flagged this PDF as malicious, supporting the observed redirection lure.

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/easy-robux-cheat-game-hack PDF link annotation
- https://ogm-goettingen.de/images/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/hacker-face-roblox_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/is-roblox-being-hacked-right-now-2021_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/how-to-hack-robux-vidos_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/where-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/roblox-hack-account-generator_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/www-roblox-com-robux_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/roblox-hack-ee_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/rbx-free-robux_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/play-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
- https://ogm-goettingen.de/images/100-free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/hack-i-roblox-2021_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/rbx-roblox-robux_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/pubg-uc-buy-in-pakistan-jazz-cash_GM1330123889.pdfIn PDF document text
- https://ogm-goettingen.de/images/hack-roblox-ban-accoints_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/mcpe-master-hack-unlimited-coins_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/how-to-hack-roblox-easy_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-spins-link-in-coin-master-2021_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-coins-coin-master-2021_GM406889139.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_off00003144.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3144	22220 bytes
SHA-256: `41ed9ddac27d4a1a78fc4119a9e573e7ebaab59c673b89e992146fc809d8d909`
`font_01_sfnt_off00006259.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6259	19004 bytes
SHA-256: `4729d25e920c6ea201ad0ac814327d396bafc8a14ef5c72c4f4db0aab3076658`

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