PDF malware analysis — malicious · bb0ea84f61bb9d65

MALICIOUS

PDF

52.2 KB Created: 2021-06-03 21:53:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 096d62a9edabef4c23dd0dfb07ffaced SHA-1: 55fb62d56dad3908e612a7d2e5ab5b1ff9dcb68a SHA-256: bb0ea84f61bb9d65342c8045ef5151aaf5aa375f46d55793322ac98197fe1106

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains a high-severity heuristic indicating it links to a 'free generator / game hack' lure. The embedded URL, https://netcdn.online/app/431946152/freerobuxhack-us-2021-game-hack, is the primary indicator of this malicious redirection. While no scripts were explicitly extracted, the nature of the lure suggests a potential for further malicious activity upon redirection.

Machine Learning

Nyx PDF Classifier malicious score 0.9657

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 https://netcdn.online/app/431946152/freerobuxhack-us-2021-game-hack PDF link annotation
- https://www.bridalguide.com/sites/default/files/files/freerobuxhack-us_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/free-spins-coin-master-march-2021_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/is-minecraft-free_GM479516143.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/coin-master-level-4_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/how-to-hack-minecraft-pe_GM479516143.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/free-robux-com_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/roblox-free-hair-boy_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/coinmasterdailyfreespins-com_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/free-spin-coin-master-link-download_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/coin-master-hack-apk-android-1_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/roblox-earn_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/give-free-robux_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/roblox-free-clothes-generator_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/get-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.bridalguide.com/sites/default/files/files/free-minecraft-realms-to-join_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000050fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x50FC	26784 bytes
SHA-256: `5b82a4af631d42670a7db691cdb902f1fd224f5b39e6b953f19324587dd95b95`
`font_01_sfnt_off00008f83.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F83	2912 bytes
SHA-256: `02b35010e2614e3cc95ac6414c49295350c91fdfcc4b4cad27ffdbc10e80df7f`
`font_02_sfnt_off0000997b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x997B	5696 bytes
SHA-256: `450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139`
`font_03_sfnt_off0000a68c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA68C	19168 bytes
SHA-256: `efb3faf8613e574aaafbc2c03eecac9d279c27a31d34e4d9725215b9c75db868`

Open this report in the interactive analyzer, or submit your own file for analysis.