PDF malware analysis — malicious · 86419b272ab1ba0f

MALICIOUS

PDF

46.5 KB Created: 2021-05-17 09:10:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: fce84fb8909f99f1a6e5e8d32f1b1544 SHA-1: 3e03fe948bd218257321598d83ff46c92c89b33a SHA-256: 86419b272ab1ba0f9e66bd9e23ff3e59beabc2215e46ccb928e9b29186b8b978

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are related to game hacking and free in-game currency, suggesting a scam or phishing attempt. The document body and embedded links point towards luring users to potentially malicious websites. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9977

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/how-to-hack-peoples-roblox-accounts-game-hack
- http://autismoalbacete.org/images/free-ways-to-get-robux_GM431946152.pdf
- http://autismoalbacete.org/images/is-there-a-way-to-get-free-robux_GM431946152.pdf
- http://autismoalbacete.org/images/how-can-i-get-free-coinsn-coin-master_GM406889139.pdf
- http://autismoalbacete.org/images/free-robux-generator-com-roblox-hack_GM431946152.pdf
- http://autismoalbacete.org/images/hack-coin-master-without-root_GM406889139.pdf
- http://autismoalbacete.org/images/free-spin-coin-master-hack-2021_GM406889139.pdf
- http://autismoalbacete.org/images/minecraft-pe-hacked-client-download_GM479516143.pdf
- http://autismoalbacete.org/images/free-account-roblox-with-robux_GM431946152.pdf
- http://autismoalbacete.org/images/coin-master-game-free-download_GM406889139.pdf
- http://autismoalbacete.org/images/coin-master-free-coins-link_GM406889139.pdf
- http://autismoalbacete.org/images/best-free-robux-sites_GM431946152.pdf
- http://autismoalbacete.org/images/how-to-get-free-robux-without-downloading-any-apps_GM431946152.pdf
- http://autismoalbacete.org/images/twitter-coin-master-free-spins-link_GM406889139.pdf
- http://autismoalbacete.org/images/free-spins-coin-master-links-no-human-verification_GM406889139.pdf
- http://autismoalbacete.org/images/roblox-free-draw_GM431946152.pdf
- http://autismoalbacete.org/images/how-to-get-to-village-3-in-coin-master_GM406889139.pdf
- http://autismoalbacete.org/images/free-robux-no-apps_GM431946152.pdf
- http://autismoalbacete.org/images/coin-master-hack-pro_GM406889139.pdf
- http://autismoalbacete.org/images/coin-master-hack-ios-without-verification_GM406889139.pdf
- http://autismoalbacete.org/images/how-to-get-coin-master-free-spin-link_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_off00004a19.bin` `98cdfdbc212ecc7b290828d64118098165d31c05288950c7a53344dc6ffb7a4c`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A19	31152 bytes
`font_01_sfnt_off000091d2.bin` `cd7407ef9aef6c4c50b1fdf01e763fd2e22944ade267215dee183f168e7b87f5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x91D2	18920 bytes

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