PDF malware analysis — malicious · a12fd226ed6234f7

MALICIOUS

PDF

43.5 KB Created: 2021-05-15 12:31:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 23bce143ad9a9f6d1e8338665cdf111e SHA-1: db06b375f8d33b38fb3efb18752dfcf38be31a06 SHA-256: a12fd226ed6234f75cb561f83522f611660b80fd95798048cd6010cf987f5a30

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links to external websites, many of which are related to 'free Robux' or game hacks, indicating a lure for users. The PDF_SEO_LINK_FARM heuristic firing suggests a large number of these links are present, likely to drive traffic or distribute malicious content. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of the file.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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.xyz/app/431946152/get-free-robux-info-game-hack
- http://truebibleteaching.com/images/coin-master-free-spins-daily-1-ga_GM406889139.pdf
- http://truebibleteaching.com/images/coin-master-game-free-play-online_GM406889139.pdf
- http://truebibleteaching.com/images/microsoft-robux_GM431946152.pdf
- http://truebibleteaching.com/images/huskybuscom-free-robux_GM431946152.pdf
- http://truebibleteaching.com/images/roblox-hacks-2021_GM431946152.pdf
- http://truebibleteaching.com/images/how-to-win-attack-madness-in-coin-master-hack_GM406889139.pdf
- http://truebibleteaching.com/images/hack-coin-master-game-download_GM406889139.pdf
- http://truebibleteaching.com/images/no-human-verification-hack-for-coin-master_GM406889139.pdf
- http://truebibleteaching.com/images/unlimited-free-spins-coin-master_GM406889139.pdf
- http://truebibleteaching.com/images/robux-matchcomfree-robux_GM431946152.pdf
- http://truebibleteaching.com/images/how-to-get-free-robux-without-email_GM431946152.pdf
- http://truebibleteaching.com/images/how-to-get-free-spins-on-coin-master-android_GM406889139.pdf
- http://truebibleteaching.com/images/roblox-weird_GM431946152.pdf
- http://truebibleteaching.com/images/how-to-get-free-spins-in-coin-master_GM406889139.pdf
- http://truebibleteaching.com/images/coin-master-free-spins-bit-ly_GM406889139.pdf
- http://truebibleteaching.com/images/coin-master-hack-version-2021-download_GM406889139.pdf
- http://truebibleteaching.com/images/coin-master-hack-apk-2021_GM406889139.pdf
- http://truebibleteaching.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdf
- http://truebibleteaching.com/images/do-you-get-windows-10-minecraft-for-free-with-java_GM479516143.pdf
- http://truebibleteaching.com/images/minecraft-windows-10-hacks_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004bf1.bin` `9c6cd8906b7d6b3174cd3f1cd8ffa6c693f8ae89c3a6123325791595e86e5f8b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4BF1	26768 bytes
`font_01_sfnt_off00008822.bin` `6e6e8bb7c0e640fc67837f70826b1bbd381eb05acf75ec047415621944091573`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8822	18120 bytes

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