PDF malware analysis — malicious · 0aa0f779eff65c84

MALICIOUS

PDF

31.4 KB Created: 2021-07-05 23:38:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 1a652644fbde07dbdea72b7ffe986ec6 SHA-1: 3577ae3e010039b51ce4db0cf2f85d9b4b3ba33b SHA-256: 0aa0f779eff65c84806a79c1827fe47d7907734c22f40a45c79da29c50bc98b2

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains lures for game hacks and in-game currency, directing users to download files from external URLs. The presence of embedded URLs and a machine learning classifier flagging the PDF as malicious indicates a high likelihood of a malicious payload being delivered. The document body text and heuristics suggest a social engineering tactic to trick users into downloading potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9774

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/1330123889/pubg-uc-official-price-game-hack
- http://library.yamasi.ac.id//repository/minecraft-windows-10-free-code_GM479516143.pdf
- http://library.yamasi.ac.id//repository/coin-master-hack-version-download_GM406889139.pdf
- http://library.yamasi.ac.id/repository/money-hack-roblox-retail-tycoon_GM431946152.pdf
- http://library.yamasi.ac.id//repository/roblox-bux-free_GM431946152.pdf
- http://library.yamasi.ac.id//repository/coin-master-free-spins-twitter_GM406889139.pdf
- http://library.yamasi.ac.id/repository/coin-master-free-spins-haktuts_GM406889139.pdf
- http://library.yamasi.ac.id//repository/hackear-juego-coin-master-espaol_GM406889139.pdf
- http://library.yamasi.ac.id/repository/eyes-the-horror-game-update-2-alpha-hack-roblox_GM431946152.pdf
- http://library.yamasi.ac.id//repository/flip-master-coins-hack_GM406889139.pdf
- http://library.yamasi.ac.id/repository/roblox-1x1x1x1-hack_GM431946152.pdf
- http://library.yamasi.ac.id/repository/cheats-for-ninja-legends-roblox_GM431946152.pdf
- http://library.yamasi.ac.id/repository/robux-apk_GM431946152.pdf
- http://library.yamasi.ac.id/repository/robux-free-no-surveys-or-password_GM431946152.pdf
- http://library.yamasi.ac.id/repository/free-clothes-for-roblox-2021-youtube_GM431946152.pdf
- http://library.yamasi.ac.id/repository/roblox-vehicle-simulator-hack-2021_GM431946152.pdf
- http://library.yamasi.ac.id/repository/dragon-ball-x-in-roblox-hack_GM431946152.pdf
- http://library.yamasi.ac.id/repository/how-ro-get-free-robux-with-pastebin_GM431946152.pdf
- http://library.yamasi.ac.id/repository/can-i-get-banned-from-a-roblox-game-for-cheating_GM431946152.pdf
- http://library.yamasi.ac.id/repository/roblox-full-version-free-download_GM431946152.pdf
- http://library.yamasi.ac.id/repository/cheats-for-roblox-mobile_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_off0000282f.bin` `e83489c0e43af20b75ec67cb2091fd649b3a7e7f53d4ef7e06cf6849e9323382`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x282F	21936 bytes
`font_01_sfnt_off00005856.bin` `3f14045c732532b4abe0850f4e5cf5184fbc4c11edc9e37ae1c98f3f83615987`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5856	18320 bytes

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