PDF malware analysis — malicious · b8549affc1e86336

MALICIOUS

PDF

41.7 KB Created: 2021-05-20 01:07:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5d1b812b685d08ca1cd4f11cf0617185 SHA-1: 589a851b6638968a1718fb127036013be288eaf6 SHA-256: b8549affc1e8633615c7f19a15125a44cfef1dec1f3c858a585fc490d9e9f98b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains a lure for free game items and explicitly requests recovery secrets, indicating a phishing or scam attempt. The embedded URL and numerous other URLs point to potentially malicious sites. While no scripts were directly extracted, the PDF structure and ML classification strongly suggest malicious intent, likely to redirect users to a malicious download or phishing page.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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/free-spins-on-coin-master-game-hack
- https://consorziocsa-asicaivano.it/images/free-flip-master-coins_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/toolbox-for-minecraft-ios_GM479516143.pdf
- https://consorziocsa-asicaivano.it/images/free-money-and-spins-coin-master_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/free-spin-link-for-coin-master_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/roblox-free-accessories_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/gaming-dunia-coin-master-free-spins_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/how-to-hack-roblox-on-mobile_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/robux-no-verification_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/how-to-hack-coin-master_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/free-robux-no-human-verification-no-survey_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/free-minecraft-skins-ps4_GM479516143.pdf
- https://consorziocsa-asicaivano.it/images/free-coin-master-hacks_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/minecraft-svg-images-free_GM479516143.pdf
- https://consorziocsa-asicaivano.it/images/bux-life-free-robux_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/minecraft-cheats-pc-2021_GM479516143.pdf
- https://consorziocsa-asicaivano.it/images/minecraft-xbox-one-code-free_GM479516143.pdf
- https://consorziocsa-asicaivano.it/images/earn-robux-com_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/how-to-get-robux-on-phone_GM431946152.pdf
- https://consorziocsa-asicaivano.it/images/free-coin-master-spin-app_GM406889139.pdf
- https://consorziocsa-asicaivano.it/images/free-roblox-clothes-2021_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_003_off00004a21.bin` `0a0ffcedccd6603b7961479dbc32205729338a2cb95f60ea1eb920275914e3ea`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4A21	24400 bytes
`font_01_sfnt_off000081fb.bin` `addbd5428a422ca7211e94293fed3a4f98c85d5f6337328d4d3623e90d90c649`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x81FB	17884 bytes

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