PDF malware analysis — malicious · d13492d828c9de2a

MALICIOUS

PDF

42.9 KB Created: 2021-05-14 02:12:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 3675f8116c71e09fd0cc38b1d74aa1fe SHA-1: 6b91af41edafae4ec5027cb456a5f6c9cdc38a34 SHA-256: d13492d828c9de2a2dd0e2b650caf6d02bc33c7cf4f617505daf91443362c873

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains multiple embedded URLs and a primary external URI pointing to what appears to be a download for a 'hacked apk'. The document body, though heavily obfuscated, contains references to game-related terms and the primary malicious URL. The presence of multiple links and the ML classifier's high confidence score indicate a strong likelihood of this document being used to distribute malware.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

QR-code redirect lure medium SE_QR_LURE

Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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/479516143/minecraft-hacked-apk-game-hack
- http://icomsolutions.com.au/images/robux-survey_GM431946152.pdf
- http://icomsolutions.com.au/images/hack-to-get-free-spins-on-coin-master_GM406889139.pdf
- http://icomsolutions.com.au/images/free-robux-generator-no-human-verification-2021_GM431946152.pdf
- http://icomsolutions.com.au/images/how-to-get-free-roebucks-on-roblox_GM431946152.pdf
- http://icomsolutions.com.au/images/free-face-roblox_GM431946152.pdf
- http://icomsolutions.com.au/images/free-spin-in-coin-master_GM406889139.pdf
- http://icomsolutions.com.au/images/easy-way-to-get-robux_GM431946152.pdf
- http://icomsolutions.com.au/images/coin-master-free-spin-and-coins-links-2021_GM406889139.pdf
- http://icomsolutions.com.au/images/coin-master-free-spins-activegamer_GM406889139.pdf
- http://icomsolutions.com.au/images/how-to-get-free-robux-without-doing-anything_GM431946152.pdf
- http://icomsolutions.com.au/images/coin-master-free-spin-and-coins-links_GM406889139.pdf
- http://icomsolutions.com.au/images/legit-coin-master-hack-without-verification_GM406889139.pdf
- http://icomsolutions.com.au/images/wwwcoin-master-hack-game-download_GM406889139.pdf
- http://icomsolutions.com.au/images/free-coin-master-spin-app_GM406889139.pdf
- http://icomsolutions.com.au/images/coin-master-free-spins-link-2021-today_GM406889139.pdf
- http://icomsolutions.com.au/images/free-robux-hack-no-verification_GM431946152.pdf
- http://icomsolutions.com.au/images/how-to-hack-roblox-to-get-robux_GM431946152.pdf
- http://icomsolutions.com.au/images/coin-master-unlimited-spins-apk-free-download_GM406889139.pdf
- http://icomsolutions.com.au/images/minecraft-login-free_GM479516143.pdf
- http://icomsolutions.com.au/images/minecraft-education-free_GM479516143.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_off00004e5c.bin` `b375937a0d1322ee1ce108e24e50741bc928e02ecc3206f134e39d79dc944b67`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4E5C	24600 bytes
`font_01_sfnt_off0000860d.bin` `9437dee2205271bfc3290dd22414fa0f0047947481f41fe3ac95feb69f08380c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x860D	18088 bytes

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