PDF malware analysis — malicious · 32a97638523c4207

MALICIOUS

PDF

34.5 KB Created: 2021-07-07 09:21:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c2fc5c03b7ea57bd4d689bc5417b8023 SHA-1: aa354d100f15a929224dcf3018d3f18529e28567 SHA-256: 32a97638523c4207c41edf375d1f880cc2984ff09417171cb3f014b059c4de74

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external resources, including a direct link to 'netcdn.tw' and a large number of PDF files hosted on 'kitchenset-jogja.com'. The document body and extracted URLs suggest a lure for game cheats and hacks, likely intended to trick users into downloading malware. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports malicious intent.

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.tw/app/406889139/moonactive-coin-master-free-spins-game-hack
- https://kitchenset-jogja.com/ckfinder/userfiles/files/carte-de-roblox-hack-gratuit_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-spins-coin-master-app_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/roblox-black-t-shirt-free_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-free-spins-daily-2021_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-roblox-accounts-2021-with-robux_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-free-spin-codes_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-hack-coin-master_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-cheat-in-roblox_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-coin-spin-coin-master_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/hack-de-robux-al-instante-gratis_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/roblox-fly-hack-cheat-engine_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/free-spin-link_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-free-spins-only_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-free-spins-and-free-coins_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/archivo-para-poner-a-roblox-para-hackear_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/coin-master-cheats-free-spins_GM406889139.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/www-roblox-cheatus-limited-amount-hurry-and-claim_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/nonseindiamond-hack-roblox_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/roblox-hexus-free_GM431946152.pdf
- https://kitchenset-jogja.com/ckfinder/userfiles/files/how-to-hack-roblox-jailbreak-on-xbox-one_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_002_off000030a6.bin` `e4bf6c2289d992d7421ffb1c0c9f56a255f061fd5c280d13170f6680d6487135`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x30A6	22888 bytes
`font_01_sfnt_off000063fa.bin` `77b481d7593bb3472b5c1d2e99e114e453ff9442e61c1afe5f0164aceb1734a8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63FA	18288 bytes

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