PDF malware analysis — malicious · 4c7a94ccd3048321

MALICIOUS

PDF

45.1 KB Created: 2021-05-11 08:40:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: c407fc658aeaa81ae0d052ab1fa1d3c7 SHA-1: 810cb49f294a3e4a7ea4289ac62b791b51db058d SHA-256: 4c7a94ccd30483217e7f262bf1f01d85bb6a5de3cf9e02a3fb2a42e147403336

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains lures for 'Free Robux' and game hacks, directing users to external URLs. One URL points to an IP address, indicating a potential attempt to host malicious content or redirect users. The ML classifier strongly flagged this PDF as malicious, suggesting it's designed to trick users into downloading further malware.

Machine Learning

Nyx PDF Classifier malicious score 0.9621

Heuristics 4

Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL

PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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.xyz/app/431946152/free-robux-not-fake-game-hack PDF link annotation
- http://45.115.65.99/__statics/gudangsoal/files/rbx-free-robux_GM431946152.pdfPDF link annotation
- http://45.115.65.99/__statics/gudangsoal/files/coin-master-free-spins-2021-hack_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/hack-the-game-coin-master_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/coin-master-hack-no-root_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/minecraft-mod-menu_GM479516143.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/game-coin-master-hack_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/how-to-get-free-coins-and-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/coin-master-hack-apk-android_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/how-to-coin-master-spin-hack_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-robux-obby_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/can-you-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/minecraft-free-download-android-apk-014-0_GM479516143.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- http://45.115.65.99/__statics/gudangsoal/files/wurst_GM479516143.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off000047e5.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x47E5	25796 bytes
SHA-256: `d9ba9fd5762b5b6e8fbcdc1703063267db448cabca25881fd0fc37b3bd53ff30`
`font_01_sfnt_off0000833c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x833C	2824 bytes
SHA-256: `94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4`
`font_02_sfnt_off00008ceb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CEB	18516 bytes
SHA-256: `ca79d80576681ece98af22104654f282f19bfdcccdd95bbb76316d29f9029162`

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