PDF malware analysis — malicious · 4adb43cfd6a17113

MALICIOUS

PDF

34.6 KB Created: 2021-07-06 02:14:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: e634a0eb8b77abae2259e753cd1929b3 SHA-1: 09added99cc000fb885bd894ea463edf1a2c892e SHA-256: 4adb43cfd6a1711365f5db9dd71fed324bf372632aa21fe047c52697f6217220

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains numerous embedded URLs and a prominent call-to-action related to game cheats and free in-game currency. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being used for phishing or distributing malware. The presence of external URIs and the overall theme suggest a lure to trick users into visiting malicious websites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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 http://netcdn.tw/app/406889139/coin-master-daily-free-spins-link-2021-today-game-hack
- http://lib.stie-aub.ac.id/repository/roblox-legendary-swords-rpg-hacks_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/roblox-blox-burg-money-hack_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-unlimited-spins-apk-free-download_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/roblox-avatare-free_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/get-roblox-for-free_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/mad-city-roblox-hack-pain_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/free-roblox-accounts-2021-november_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-hack-apk-iphone_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/100-robux_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/fake-robux-codes_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/coin-master-free-coins-link-2021_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/roblox-avatar-free_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/easy-points-gg_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/blogspot-free-spins-coin-master_GM406889139.pdf
- http://lib.stie-aub.ac.id/repository/how-to-get-free-robux-as-a-kid_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/fre-robux-no-hack_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/code-free-robux_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/robux-com-for-free_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/roblox-promo-codes-for-free-robux_GM431946152.pdf
- http://lib.stie-aub.ac.id/repository/roblox-work-at-a-pizza-place-manager-hack_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_002_off00002ed4.bin` `9df5f54aa410f496bbdd838db8e424bd5649969c292909e008b05d29fdca8ed8`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x2ED4	22628 bytes
`font_01_sfnt_off00006164.bin` `2b65a240a25012a699619f5b44b4403fb2d70dbe90fc6d16a4cece9e458288ef`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6164	19344 bytes

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