PDF malware analysis — malicious · aad9e393fc62de27

MALICIOUS

PDF

44.8 KB Created: 2021-06-04 07:08:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 6a71430dd38aec9fbc053aaeea7c66e9 SHA-1: 38cdf111df36438c7a2b3dacc74af0e3140d7cb6 SHA-256: aad9e393fc62de2736b6720e3e304478b105acd5dedb30b50e621a7b141e950c

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which are SEO-optimized slugs pointing to potentially malicious content related to game hacking and currency. The PDF_SEO_LINK_FARM heuristic indicates a mass external link farm, and the ML_NYX_PDF_MALICIOUS model strongly flagged the file. The document body and embedded links suggest a lure for users seeking cheats or in-game advantages, likely leading to malware downloads or phishing sites.

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/431946152/how-to-hack-in-roblox-accounts-2021-game-hack
- http://ebook.itn.ac.id/repository/100-hack-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/how-to-hack-minecraft-pe_GM479516143.pdf
- http://ebook.itn.ac.id/repository/how-to-get-hacks-on-roblox_GM431946152.pdf
- http://ebook.itn.ac.id/repository/coin-master-spin-link_GM406889139.pdf
- http://ebook.itn.ac.id/repository/how-to-hack-into-someones-roblox-account_GM431946152.pdf
- http://ebook.itn.ac.id/repository/coin-master-gold-cards-free_GM406889139.pdf
- http://ebook.itn.ac.id/repository/how-to-get-free-robux-fast-and-easy_GM431946152.pdf
- http://ebook.itn.ac.id/repository/roblox-speed-hack_GM431946152.pdf
- http://ebook.itn.ac.id/repository/earn-free-robux-for-roblox_GM431946152.pdf
- http://ebook.itn.ac.id/repository/websites-that-give-free-robux_GM431946152.pdf
- http://ebook.itn.ac.id/repository/pro-free-spins-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/is-there-a-free-version-of-minecraft_GM479516143.pdf
- http://ebook.itn.ac.id/repository/rbxoffers-earn-free-robux_GM431946152.pdf
- http://ebook.itn.ac.id/repository/how-to-get-traded-pokemon-to-evolve-without-trading_GM1094591345.pdf
- http://ebook.itn.ac.id/repository/coin-master-hack-mod-apk-download_GM406889139.pdf
- http://ebook.itn.ac.id/repository/free-coins--spins-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/free-roblox-generator_GM431946152.pdf
- http://ebook.itn.ac.id/repository/free-spins-for-coin-master_GM406889139.pdf
- http://ebook.itn.ac.id/repository/free-coin-master-cards_GM406889139.pdf
- http://ebook.itn.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_off00005011.bin` `42b09731386448ea7d199f530ff8519afc2a4a68aaa804a787e66cf8a2470e56`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5011	26256 bytes
`font_01_sfnt_off00008a1a.bin` `cfe349368e22200384bab0d93873c3558a5982cd59c5e82e31a4a04f75772271`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A1A	18992 bytes

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