PDF malware analysis — malicious · 08c164bd46580ac3

MALICIOUS

PDF

34.6 KB Created: 2021-06-21 15:30:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: f9817235d418a0003ba894c88f964b47 SHA-1: 8bd6ec04f2d520e440a55bb71b56ec21688a9492 SHA-256: 08c164bd46580ac35244edc7eb8ff66691888bb4e78eb561006f35d35da2e314

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links and a link farm, heavily suggesting a phishing or scam attempt related to game hacks and free currency. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs indicates an attempt to redirect the user to malicious content. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious workflow designed to trick users into downloading or visiting scam sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/406889139/coin-master-hack-club-game-hack
- https://www.iseas.com/uploaded_files/userfiles/files/coin-master-free-spins-and-free-coins_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/robeats-roblox-hack_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/how-to-hack-roblox-nopde-engine_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/free-spins-coin-master-daily_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/coin-master-for-pc-free-download_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-human-verification_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/is-minecraft-java-free_GM479516143.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/coin-master-hack-without-downloading-apps_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/free-coins-on-coin-master_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/how-to-get-roebucks-in-roblox_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/online-coin-master-hack-here_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/free-robux-without-doing-anything_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/ajc-tech-free-roblox_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/master-free-spin_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/pubg-uc-2021_GM1330123889.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/coin-master-free-daily-spins-2021_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/hacks-roblox_GM431946152.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/minecraft-hack-2021_GM479516143.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/hack-coin-master-for-free_GM406889139.pdf
- https://www.iseas.com/uploaded_files/userfiles/files/hackear-coin-master-android_GM406889139.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_off000030fa.bin` `6c5817fb1bd97256768463d95df020478f039135b3ec4d52817e8d57e3b111f0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30FA	22896 bytes
`font_01_sfnt_off00006414.bin` `dd43411f80a60a82ab72e2bc8e086b2bb22e047feb8d2d035d108791568e8130`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6414	18376 bytes

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