PDF malware analysis — malicious · 1543f35672389823

MALICIOUS

PDF

45.4 KB Created: 2021-06-04 07:38:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 18f0a405b1060894f0be26ef75ce475d SHA-1: a03880c6bed2db8030b8f61e281567061e5603ef SHA-256: 1543f356723898230cebc06d26034f6e2850b01bdb720ef3aeca3219a675c42f

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action lure related to obtaining free in-game currency, strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of external URIs and the document's content indicate an attempt to trick the user into downloading a potentially malicious payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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 https://netcdn.online/app/431946152/how-to-get-free-robux-with-hack-bar-game-hack
- http://lib.akpnbahtera.ac.id/repository/coin-master-hack-spins-download_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/how-to-get-free-shields-on-coin-master_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/free-spins-coin-master-no-verification_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/coin-master-32-mod-hack-apk-download_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/grab-points-login_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/free-ways-to-get-robux_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/who-to-get-free-robux_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/free-robux-redeem-codes-2021_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/free-hair-roblox-boy_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/easy-robux-hack_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/coinmaster-spins_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/free-robux-2021-no-human-verification_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/coin-master-free-spins-5-10-2021_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/free-robux-no-survey_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/coin-master-100-spin_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/rbxfree-com-free-robux_GM431946152.pdf
- http://lib.akpnbahtera.ac.id/repository/free-unlimited-coins-for-coin-master_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/coin-master-hack-apk_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/coin-master-hack-apk-2021-ios_GM406889139.pdf
- http://lib.akpnbahtera.ac.id/repository/coin-master-spin-hack-2021_GM406889139.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_off000051b5.bin` `3ec3eaf0d71be581345ec36b3014f74d0a7df41c804586017e9a4cbff8647d5d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x51B5	26356 bytes
`font_01_sfnt_off00008c2d.bin` `148f00c91ff5f3368beb80e76aef71473cae8e0779e33d56afbcd25c11dbbb4b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C2D	19164 bytes

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