PDF malware analysis — malicious · 5e84862c88d3841e

MALICIOUS

PDF

43.7 KB Created: 2021-06-03 19:24:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 7cb2c5fd6246a20aa2c254c1e4806666 SHA-1: 5a045f4b39f9e5a418c3225a1e7eb0f08eabd8b8 SHA-256: 5e84862c88d3841e235836a09570836b59f71fc0e2baf0a7bd427771a8dece34

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains numerous external links, identified as a link farm, that lead to websites offering "free spins" or "free robux." The ML classifier strongly indicated maliciousness, and the presence of a call-to-action button further supports a scamming attempt. The document's content and structure suggest it's designed to drive traffic to potentially malicious or scam-related websites.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/406889139/monttechscom-coin-master-free-spins-game-hack
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/minecraft-complete-handbook_GM479516143.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-for-kids-no-verification_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-only-username-no-human-verification_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-to-get-free-robux-without-surveys_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-can-you-get-free-robux_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-promo-codes-2021_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-gold-cards-link-2021ee-spins_GM406889139.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-websites-that-actually-work_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-rewards_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/roblox-gift-card-online-free_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-without-verification_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-to-get-free-robux-instantly_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/xray-mod-minecraft-114_GM479516143.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-spins-for-coin-master-hack_GM406889139.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-minecraft-accounts-2021_GM479516143.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/minecraft-marketplace-free_GM479516143.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-in-app-purchases-jailbreak_GM406889139.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-can-i-get-free-robux_GM431946152.pdf
- https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-spin-and-trading-group_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_off00005185.bin` `f451a81bd1bc491039bf11b3043c9128aa186b12ab2dadab876b2e5d20796d3a`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5185	24224 bytes
`font_01_sfnt_off00008871.bin` `92011c413d28d9105f5555a2bfd896bdfa222da96c5b2a9fa19801a7c329aebe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8871	18312 bytes

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