PDF malware analysis — malicious · 99b440cddb3aba42

MALICIOUS

PDF

43.9 KB Created: 2021-06-03 09:16:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1bee6df503de55424beca5935b957417 SHA-1: 5a52a6c74fe2545e58f2385ee2c0ddf1e886784d SHA-256: 99b440cddb3aba42688438676b0c5b991ffd9d5238c496748cfa8b99aa928b5a

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links to external resources, many of which are related to "hacks" for games like Coin Master. The document body and heuristics indicate a lure to download a tool, likely malicious, disguised as a game hack. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.online/app/406889139/coin-master-free-spins-and-coins-hack-game-hack
- http://pustaka-smpn3tpi.com/repository/coin-master-hack-online-generator_GM406889139.pdf
- http://pustaka-smpn3tpi.com//repository/hack-coin-master-for-free_GM406889139.pdf
- http://pustaka-smpn3tpi.com//repository/how-to-hack-coin-master-with-game-guardian_GM406889139.pdf
- http://pustaka-smpn3tpi.com//repository/free-appsfor-coin-master-daily-rewards_GM406889139.pdf
- http://pustaka-smpn3tpi.com//repository/minecraft-java-free-trial_GM479516143.pdf
- http://pustaka-smpn3tpi.com/repository/how-to-get-free-robux-hack_GM431946152.pdf
- http://pustaka-smpn3tpi.com/repository/hack-coin-master-game-apk_GM406889139.pdf
- http://pustaka-smpn3tpi.com/repository/hacks-to-get-free-robux_GM431946152.pdf
- http://pustaka-smpn3tpi.com//repository/coin-master-hack-tool-apk-download_GM406889139.pdf
- http://pustaka-smpn3tpi.com/repository/coin-master-official-website_GM406889139.pdf
- http://pustaka-smpn3tpi.com/repository/rbx-claim_GM431946152.pdf
- http://pustaka-smpn3tpi.com/repository/free-minecraft-server-maker_GM479516143.pdf
- http://pustaka-smpn3tpi.com//repository/como-hackear-coin-master-ios_GM406889139.pdf
- http://pustaka-smpn3tpi.com/repository/roblox-sexually-abused_GM431946152.pdf
- http://pustaka-smpn3tpi.com//repository/i-got-hacked-on-roblox_GM431946152.pdf
- http://pustaka-smpn3tpi.com/repository/flip-master-free-coins_GM406889139.pdf
- http://pustaka-smpn3tpi.com/repository/minecraft-hacks-xbox_GM479516143.pdf
- http://pustaka-smpn3tpi.com//repository/free-minecraft-skins-xbox-one_GM479516143.pdf
- http://pustaka-smpn3tpi.com/repository/free-robux-instantly_GM431946152.pdf
- http://pustaka-smpn3tpi.com//repository/how-do-u-get-free-robux-2021_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005044.bin` `6b83327444dce04e60974bf648c91c7c827838242df96c2587c577ba8e2f61be`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5044	25320 bytes
`font_01_sfnt_off00008942.bin` `968d77e43c6b0b1c299d9da4b9fdaa5840c103d7fe58a67c77b67690964fdfdc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8942	18228 bytes

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