PDF malware analysis — malicious · f722f608e9674fcb

MALICIOUS

PDF

46.6 KB Created: 2021-05-18 03:02:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 58d114c9d5ba8e6e95cdbe4800f6d1f8 SHA-1: 0c435372c6b03f2eca06c3f4e80fb166d26c0889 SHA-256: f722f608e9674fcb59fa58f25767442f92f33cf54efea281c7855f0fee17934e

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a fake CAPTCHA lure, designed to trick users into interacting with a malicious link. The embedded URI points to a URL that appears to be a download page for a game hack. This suggests the document is a phishing lure intended to deliver malware or unwanted software.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

Heuristics 4

Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA

Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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/roblox-phantom-forces-hack-game-hack PDF link annotation
- http://uo-nn.ru/images/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/free-roblox-clothes-girl_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/coin-master_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/free-robux-app_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/roblox-hack-me_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/free-roblox-hack_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/give-me-robux-now_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/free-realistic-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- http://uo-nn.ru/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/coin-master-game-hack-kaise-kare_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/free-spins-for-coin-masters_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/coin-master-free-spin-link-today-download_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://uo-nn.ru/images/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://uo-nn.ru/images/roblox-gift-card-online-free_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off0000493a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x493A	27160 bytes
SHA-256: `fc00f3f4b3457f54397dbd48f0ae3f1c4e87a3e43b2ed71bc09bdae729c2b445`
`font_01_sfnt_off000087b8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87B8	2880 bytes
SHA-256: `552e62132cae3603ce0819827e44d96a992bd06014cc5080bf3af4b2ea155b3e`
`font_02_sfnt_off00009191.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9191	19028 bytes
SHA-256: `a1c2896b7dc960917d06e8f54c838956c7eaad0f88986fe011a2bb83a0b16557`

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