PDF malware analysis — malicious · af79af95570b316f

MALICIOUS

PDF

32.8 KB Created: 2021-06-27 22:26:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 9b4e130912fe090c52e67a59b99ed5d4 SHA-1: dd2b8226d7f239f2d120062ec8c5b623a11445ed SHA-256: af79af95570b316f14734a9d9e395a630e94ef801b936102e541f7501ea6ea81

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs and a prominent call-to-action to download a 'Robux Generator', strongly suggesting a phishing or scam attempt. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the document's content indicate an attempt to trick the user into downloading a potentially malicious second-stage payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9824

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.co/app/431946152/free-private-server-roblox-jailbreak-game-hack
- https://wandpiraten.de/images/roblox-hack-weg-machen_GM431946152.pdf
- https://wandpiraten.de/images/hack-diamond-roblox_GM431946152.pdf
- https://wandpiraten.de/images/free-lvl7-full-lua-roblox_GM431946152.pdf
- https://wandpiraten.de/images/free-roblox-accounts-with-robuzx_GM431946152.pdf
- https://wandpiraten.de/images/spin-free-coin-master_GM406889139.pdf
- https://wandpiraten.de/images/hack-coin-master-iphone_GM406889139.pdf
- https://wandpiraten.de/images/roblox-jailbreak-hack-noclip_GM431946152.pdf
- https://wandpiraten.de/images/how-to-hack-someones-account-on-roblox_GM431946152.pdf
- https://wandpiraten.de/images/roblox-fun-com-free-robux_GM431946152.pdf
- https://wandpiraten.de/images/coinmasterfree_GM406889139.pdf
- https://wandpiraten.de/images/pubg-uc-india-price_GM1330123889.pdf
- https://wandpiraten.de/images/how-to-get-robux-on-roblox_GM431946152.pdf
- https://wandpiraten.de/images/how-to-hack-key-login-roblox-exploit_GM431946152.pdf
- https://wandpiraten.de/images/godmode-hacks-roblox_GM431946152.pdf
- https://wandpiraten.de/images/free-money-in-roblox-vehicle-simulator_GM431946152.pdf
- https://wandpiraten.de/images/gameoffice-net-hack-coin-master_GM406889139.pdf
- https://wandpiraten.de/images/gain-robux_GM431946152.pdf
- https://wandpiraten.de/images/how-to-hack-roblox-for-robux_GM431946152.pdf
- https://wandpiraten.de/images/how-to-get-free-spins-and-coins-on-coin-master_GM406889139.pdf
- https://wandpiraten.de/images/blox-supply-free-robux_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002905.bin` `b6b897eec5af9495b6c902bd703198d82ed3cf8e4767c50224f5d7659e1f2195`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2905	22176 bytes
`font_01_sfnt_off00005a04.bin` `f4f8aa25382c5a11d0363af68399155edc8293b07997d69e0fa208000ed81fe5`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5A04	19480 bytes

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