PDF malware analysis — malicious · a3d29a89e146ab04

MALICIOUS

PDF

40.4 KB Created: 2021-05-18 04:57:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 2c40951e93ff82c9ddfad36693aac955 SHA-1: d0108d7a92d3fe4161fd612e3449d46c6152f203 SHA-256: a3d29a89e146ab043421035fe9a47383e2bc375f70fb6a981c4cca714d59da37

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, identified as a link farm, directing users to sites offering game hacks and cheats. The ML classifier strongly indicated maliciousness, and the presence of a 'download' button lure reinforces the intent to trick users into navigating these malicious URLs. The document body, though partially garbled, contains references to 'Coin Master Hacks' and URLs, aligning with the observed link farm.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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/406889139/coin-master-hacks-iphone-game-hack
- http://julo-it.net/images/how-to-get-free-robux-by-playing-games_GM431946152.pdf
- http://julo-it.net/images/free-robux-easy-and-fast_GM431946152.pdf
- http://julo-it.net/images/coin-master-hack-unlimited-spins-game-download_GM406889139.pdf
- http://julo-it.net/images/coin-master-free-coins-2021_GM406889139.pdf
- http://julo-it.net/images/get-free-spins-for-coin-master_GM406889139.pdf
- http://julo-it.net/images/how-to-hack-coin-master-game-ios_GM406889139.pdf
- http://julo-it.net/images/show-me-how-to-get-free-robux_GM431946152.pdf
- http://julo-it.net/images/free-minecraft-accounts-reddit_GM479516143.pdf
- http://julo-it.net/images/coin-master-free-coins-and-spins-daily_GM406889139.pdf
- http://julo-it.net/images/coin-master-33-hack-version-download_GM406889139.pdf
- http://julo-it.net/images/free-spins-and-coins-on-coin-master_GM406889139.pdf
- http://julo-it.net/images/coin-master-32-hack-apk_GM406889139.pdf
- http://julo-it.net/images/bloxpage-free-robux_GM431946152.pdf
- http://julo-it.net/images/coin-master-free-spins-1-coin-master_GM406889139.pdf
- http://julo-it.net/images/robux-earner_GM431946152.pdf
- http://julo-it.net/images/free-robux-no-human-verification-generator_GM431946152.pdf
- http://julo-it.net/images/how-to-get-free-spins-in-coin-master_GM406889139.pdf
- http://julo-it.net/images/free-spin-coin-master-link-download_GM406889139.pdf
- http://julo-it.net/images/coin-master-free-spins-link-today_GM406889139.pdf
- http://julo-it.net/images/coin-master-free-spins-cheat-codes_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_003_off00004542.bin` `9c21370ade7a7d40862efb65046cbdd1c0b63b1216c30b29aba6387cb68f4cbc`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4542	24044 bytes
`font_01_sfnt_off00007bfc.bin` `9ccc1d8bd8827427bdd2e576ac4afcbf92768d6c7b4bf1f6dc8c42a95cbbb1c2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BFC	18060 bytes

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