PDF malware analysis — malicious · ff879b9b2dc7253c

MALICIOUS

PDF

43.0 KB Created: 2021-06-03 07:36:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: b64f0e0d5e3e7d17513a879b70ce39d7 SHA-1: d87247110e39480942bdb8a942c96af6c2167ec5 SHA-256: ff879b9b2dc7253cc0e5d456851bd30b0771079da09438cdab2fa8e9f8bd3f20

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document exhibits characteristics of an advance-fee scam, using lures related to game currency generators and prize claims. It contains an embedded URI pointing to a suspicious domain, likely intended to host a secondary payload or lead to a phishing page. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9874

Heuristics 4

Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE

Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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/1330123889/pubg-uc-generator-2021-game-hack
- http://perpustakaan.idia.ac.id/repository/coin-master-free-spins-link-today-haktuts_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/coin-master-free-spins-link-facebook_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/coin-master-free-coins-and-spins-hack_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/haktuts-coin-master-hack_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/real-coin-master-hack-2021_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/picture-roblox_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/coin-master-spin-link-free-download_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/free-robux-today_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/coin-master-free-gifts_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/free-coin-spin_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/free-robux-websites-that-work_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/coin-master-daily-rewards-link_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/rbxoffer-com-free-robux_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/roblox36com-free-robux_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/link-for-free-spins-on-coin-master_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/unlimited-free-spins-coin-master_GM406889139.pdf
- http://perpustakaan.idia.ac.id/repository/how-to-get-free-minecraft-skins_GM479516143.pdf
- http://perpustakaan.idia.ac.id/repository/free-robux-obby-2021_GM431946152.pdf
- http://perpustakaan.idia.ac.id/repository/john-doe-roblox-hacker_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_off00004b32.bin` `65abf0c006b0fb79b1b8230395da384304ded73cae5236fdbbc0bcfc0f5dceb2`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4B32	25028 bytes
`font_01_sfnt_off000083b9.bin` `5c49d17cb5144e5e43899e5f16236ed4c00b91e27133d66f6da1adc154353b40`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x83B9	18776 bytes

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