PDF malware analysis — malicious · c44804c7d817bec9

MALICIOUS

PDF

36.0 KB Created: 2021-06-21 17:12:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c7cdb579a7706214089396cefe8f376c SHA-1: 870ba77c29d2ee4e9a5e87bc448677632e642eb9 SHA-256: c44804c7d817bec9e4658f623574b68f79f5f89f83d5ed73b0d74b9c88ab9ada

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains numerous links to external resources, many of which appear to be part of a link farm designed to distribute potentially unwanted or malicious content. The document's content and the presence of a download button lure suggest an attempt to trick users into downloading applications or visiting malicious sites. The ML classifier strongly indicated maliciousness.

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/free-spin-gratis-coin-master-game-hack
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-coins-for-coin-master_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-no-verification-deutsch_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-hack-with-lucky-patcher_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-free_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-phone_GM479516143.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-spin-coin-master-link-2021_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-to-find-coin-master-free-spin-link_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-free-spins-hack-no-human-verification_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/como-hackear-coin-master_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/free-robux-not-fake_GM431946152.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/a-hack-to-open-the-applications-on-roblox-got-talent_GM431946152.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/roblox-free-accessories_GM431946152.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/earn-free-spins-in-coin-master_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/minecraft-free-exe_GM479516143.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/original-roblox_GM431946152.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-today-blog_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/robux-com-free_GM431946152.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/20-free-spin-link-coin-master_GM406889139.pdf
- https://new.minsatulearning.com/__statics/gudangsoal/files/roblox-wizard-tycoon-2-player-hack_GM431946152.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_off00003805.bin` `39971764cbef77dcd6b59f6c48981a7d468648b66f92a71cf79b899317ced4e5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3805	22704 bytes
`font_01_sfnt_off00006aae.bin` `18c2c947ef46c372341a4a1bc1ad78c4cd46a49342db834d5caa4979205468cd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6AAE	18176 bytes

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