PDF malware analysis — malicious · 937a090f35b2635f

MALICIOUS

PDF

35.4 KB Created: 2021-06-26 01:49:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 8e6866cf83b5358c138a09d06c35e5bc SHA-1: 904d502861af3fa540d7da7bda0022591e0de878 SHA-256: 937a090f35b2635f3f3ca5e41785e49812f2ac65ae2e6b48e5d292bd6bf9ecd0

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous links to external resources, many of which are hosted on `sisomdethospital.com` and appear to be SEO-optimized pages offering game hacks. The document body and embedded links suggest a lure to download applications related to game cheating. The ML classifier strongly indicated maliciousness, and the presence of a link farm heuristic further supports this assessment.

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.co/app/431946152/como-hackear-roblox-en-celular-game-hack
- https://sisomdethospital.com/ckfinder/userfiles/files/roblox-hack-game_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/blox-supply-free-robux_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/como-descargar-coin-master-hackeado_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/coin-master-free-daily-spins-and-coins_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/how-to-hack-roblox-accounts-2021_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/how-do-you-hack-roblox_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/roblox-hacked-version_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/www-coin-master-hack-com_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/coin-master-card-collection-link_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/island-royale-roblox-hacks-2021_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/coin-master-daily-free-spin-app_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/coin-master-game-hunters-club_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/robux-hack-generator_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/free-spins-coin-master-android_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/pasos-para-hackear-coins-master_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/coin-master-free-spins-hack-download_GM406889139.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/how-to-get-free-roblox-hair_GM431946152.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/pubg-uc-sale_GM1330123889.pdf
- https://sisomdethospital.com/ckfinder/userfiles/files/minecraft-images-free_GM479516143.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_off0000332b.bin` `5779c77e9b1ef4b0f58488a9ffb6a4979faf7f403100211acb1b31de242bf761`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x332B	22484 bytes
`font_01_sfnt_off00006573.bin` `1c2970d6ebaf1fa7064c291cba968561385d51fda60895e071022865ad7cca0a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6573	19056 bytes

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