PDF malware analysis — malicious · 57dabd7588c7ad14

MALICIOUS

PDF

35.7 KB Created: 2021-06-28 01:36:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: d0c11f4355e4820a6b1f73a788838d95 SHA-1: 5786b9b6cb2c01d1da5856cff102102acec98b52 SHA-256: 57dabd7588c7ad14a17f14824282c95889978b38d581839091d9b95d55d92bd4

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are hosted on bw.ac.th and appear to be SEO-optimized for terms related to game hacks and free currency. The document body also contains a prominent URL pointing to a 'free roblox gift card generator'. This suggests the primary purpose is to redirect users to potentially malicious sites, likely for credential harvesting or malware distribution. No scripts were extracted from this sample.

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/free-roblox-gift-card-generator-pastebin-game-hack
- http://bw.ac.th/userfiles/files/actual-free-robux_GM431946152.pdf
- http://bw.ac.th/userfiles/files/coin-master-pro-hack_GM406889139.pdf
- http://bw.ac.th/userfiles/files/free-mojang-account-with-minecraft_GM479516143.pdf
- http://bw.ac.th/userfiles/files/roblox-aim-hack_GM431946152.pdf
- http://bw.ac.th/userfiles/files/roblox-promo-codes-for-free-robux_GM431946152.pdf
- http://bw.ac.th/userfiles/files/free-spin-link-for-coin-master-game_GM406889139.pdf
- http://bw.ac.th/userfiles/files/free-robux-hacks-no-verification_GM431946152.pdf
- http://bw.ac.th/userfiles/files/minecraft-bedrock-download-pc-free_GM479516143.pdf
- http://bw.ac.th/userfiles/files/how-do-you-get-free-roblox-money_GM431946152.pdf
- http://bw.ac.th/userfiles/files/coin-master-hack-ios-no-jailbreak_GM406889139.pdf
- http://bw.ac.th/userfiles/files/roblox-how-to-get-free-robux-legit_GM431946152.pdf
- http://bw.ac.th/userfiles/files/show-me-how-to-get-free-robux_GM431946152.pdf
- http://bw.ac.th/userfiles/files/where-to-get-free-robux_GM431946152.pdf
- http://bw.ac.th/userfiles/files/zombie-strike-hacks-roblox_GM431946152.pdf
- http://bw.ac.th/userfiles/files/pokemon-go-free-latest-version_GM1094591345.pdf
- http://bw.ac.th/userfiles/files/how-to-get-free-robux-without-apps_GM431946152.pdf
- http://bw.ac.th/userfiles/files/free-spin-link-for-coin-master_GM406889139.pdf
- http://bw.ac.th/userfiles/files/coin-master-daily-free-spins-link-today-twitter_GM406889139.pdf
- http://bw.ac.th/userfiles/files/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdf
- http://bw.ac.th/userfiles/files/roblox-buy-robux-for-free_GM431946152.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_off000032ee.bin` `25c5c956229b10a3b1d87fc6e059353473a8f7f02b4669e6ed3788969f483d1f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x32EE	22776 bytes
`font_01_sfnt_off0000661e.bin` `75a52a37253ca1c70bc6f68ba1d516d1876f750d745a4b7b682560d2c5d21836`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x661E	19204 bytes

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