PDF malware analysis — malicious · fe9cad949693a750

MALICIOUS

PDF

41.0 KB Created: 2021-05-19 11:30:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 9524e425b1a97ea4cc749f7037f758f3 SHA-1: e35b3d72a82f68022c82e251a8290d047edc4076 SHA-256: fe9cad949693a7508b9763152ecb9d4b3f45c29a810b82dc22216fbcf87462cf

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are SEO-optimized and point to other PDFs, suggesting a link farm designed to lure users into downloading potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of embedded URIs and the overall structure indicate a malicious workflow aimed at tricking users into downloading further payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/479516143/minecraft-app-store-free-game-hack
- http://regnataudio.com/images/free-hacks-for-coin-master_GM406889139.pdf
- http://regnataudio.com/images/free-coins-coin-master-2021_GM406889139.pdf
- http://regnataudio.com/images/can-you-get-minecraft-windows-10-for-free_GM479516143.pdf
- http://regnataudio.com/images/free-coins-for-coin-master_GM406889139.pdf
- http://regnataudio.com/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
- http://regnataudio.com/images/a-lot-of-robux_GM431946152.pdf
- http://regnataudio.com/images/free-robux-sites-that-work_GM431946152.pdf
- http://regnataudio.com/images/how-to-win-robux_GM431946152.pdf
- http://regnataudio.com/images/free-robux-human-verification_GM431946152.pdf
- http://regnataudio.com/images/minecraft-games-to-play-for-free_GM479516143.pdf
- http://regnataudio.com/images/free-spins-coin-master-hack-2021_GM406889139.pdf
- http://regnataudio.com/images/get-me-robux-for-free_GM431946152.pdf
- http://regnataudio.com/images/coin-master-app-free-download_GM406889139.pdf
- http://regnataudio.com/images/free-spins-on-coin-master-app_GM406889139.pdf
- http://regnataudio.com/images/coin-master-hack-tool-v1-9-download-free_GM406889139.pdf
- http://regnataudio.com/images/apps-that-give-you-free-robux_GM431946152.pdf
- http://regnataudio.com/images/how-to-get-free-skins-in-roblox_GM431946152.pdf
- http://regnataudio.com/images/coin-master-rare-cards-hack_GM406889139.pdf
- http://regnataudio.com/images/free-texture-packs-for-minecraft-pe_GM479516143.pdf
- http://regnataudio.com/images/coin-master-hacks-for-cards_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000049cc.bin` `a8fd3a215a3676073f59c60791db6ed9a54bd7a24e3be3cc3f485693845eb273`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x49CC	23644 bytes
`font_01_sfnt_off00007f36.bin` `623b1663b2c1891d5c9bef86ab5e25bc5f8dd9419736341906055f8cf938b1c4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F36	17884 bytes

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