PDF malware analysis — malicious · 2429703248dfb27a

MALICIOUS

PDF

34.1 KB Created: 2021-07-09 06:04:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 2c60f92b8c87be0b9bbdb9e19c0fa97c SHA-1: 2ec50a1e801b99b78ba89a38357204a813e51f00 SHA-256: 2429703248dfb27a1ec159285f484dde0f31252f987ff6eff31de5330c2abd37

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains numerous links to external resources, many of which are hosted on domains associated with game hacks and cheats. The presence of a PDF link farm and ML classification strongly indicates malicious intent. The document body, though truncated, includes a URL pointing to a 'coin-master-email-rewards-link-game-hack', reinforcing the lure for potentially harmful downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/coin-master-email-rewards-link-game-hack PDF link annotation
- https://fridaytravelnepal.com/userfiles/files/100-working-robux-hack_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-minecraft-servers-to-join_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-webs-that-give-you-free-robux_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-free-spins-ios_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/legit-coin-master-hack-october-2021_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/roblox-skin-free_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/robux-free-co_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/roblox-games-with-free-vip-servers_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-robux-no-verify_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/roblox-prison-life-hack-download_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/minecraft-hacked-client-18_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/free-robux-with-no-survey_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/how-to-hack-coin-master-with-lucky-patcher_GM406889139.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
- https://fridaytravelnepal.com/userfiles/files/can-you-host-a-minecraft-server-for-free_GM479516143.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_off00002f28.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F28	22504 bytes
SHA-256: `1d03a478d73c85d77a9842a8115e3c952b0d50ed08e1c9c0e78292424d39abeb`
`font_01_sfnt_off00006134.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6134	18676 bytes
SHA-256: `d5ffef980cf25ab836b8eb0c54625faafd2d07e4decf07a72859dc95eb3454f0`

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