PDF malware analysis — malicious · 2c2d4d09bdebadfc

MALICIOUS

PDF

48.1 KB Created: 2021-06-11 08:03:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: 5169880a51094da158d4e68d5542972c SHA-1: aa06cc4a1a5c7b1e67dc740193ec766a37c13c7d SHA-256: 2c2d4d09bdebadfcefa153ed5ec528aba167785a22aa69fd3725312496208df9

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains an embedded URL and a heuristic firing for an external URI, both pointing to a domain associated with game cheats. The 'SE_MFA_LURE' heuristic suggests the document may also attempt to harvest credentials or session tokens by impersonating an MFA prompt. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

Heuristics 4

MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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.tw/app/431946152/change-your-name-roblox-cheat-engine-game-hack PDF link annotation
- https://www.nordicstar.co.uk/uploads/files/files/is-there-a-way-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/offers-for-robux_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/minecraft-server-hacks_GM479516143.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/coin-master-free-account_GM406889139.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/websites-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/minecraft-xbox-one-edition-digital-code-free_GM479516143.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/how-to-make-a-roblox-group-for-free_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/minecraft-xbox-one-code-free_GM479516143.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/free-roblox-hair-boy_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/give-free-robux_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/free-robux-come_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/gamesofficenet-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/free-robux-for-kids_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
- https://www.nordicstar.co.uk/uploads/files/files/coin-master-cheats_GM406889139.pdfIn PDF document text
- http://wolfzscriptsIn 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_004_off00005255.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5255	25940 bytes
SHA-256: `2b0d7ee0839bd9165e5b229a982c1874e6ceb25ce8c23fe87aee8cdbecd452c3`
`font_01_sfnt_off00008cd0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CD0	2832 bytes
SHA-256: `77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2`
`font_02_sfnt_off00009680.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9680	19252 bytes
SHA-256: `a43e2d34f3d4c4e071172a27eff0f0a6c0382ae6470b839f6b48082a9a8958b6`

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