PDF malware analysis — malicious · 8b3c9c94250c2a0f

MALICIOUS

PDF

43.5 KB Created: 2021-05-16 05:13:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 662461214d5934134949d7270883662d SHA-1: 6c1353e95f88372cc4a45a526802fc482110711f SHA-256: 8b3c9c94250c2a0f0df5ebdae23c7fd2f896f7f87ff136564541c1df06794469

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains multiple embedded URLs pointing to websites that offer game hacks and cheats, indicating a lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious, and the presence of a 'download button' heuristic further supports a malicious intent. While no scripts were directly extracted, the document's structure and embedded links suggest it's designed to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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 https://netcdn.xyz/app/406889139/coin-master-free-spins-hack-link-game-hack
- http://rwathia.com/images/free-robux-no-human-verify_GM431946152.pdf
- http://rwathia.com/images/free-robux-no-verification-no-survey_GM431946152.pdf
- http://rwathia.com/images/united-gaming-net-coin-master-hack_GM406889139.pdf
- http://rwathia.com/images/https-oprewards-com-roblox_GM431946152.pdf
- http://rwathia.com/images/free-robux-youtube_GM431946152.pdf
- http://rwathia.com/images/roblox-hacked-accounts-list_GM431946152.pdf
- http://rwathia.com/images/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdf
- http://rwathia.com/images/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdf
- http://rwathia.com/images/free-minecraft-addons_GM479516143.pdf
- http://rwathia.com/images/coin-master-blogspot-free-spins_GM406889139.pdf
- http://rwathia.com/images/how-to-get-free-robux-on-roblox-2021_GM431946152.pdf
- http://rwathia.com/images/roblox-free-robux-generator_GM431946152.pdf
- http://rwathia.com/images/google-coin-master-free-spins_GM406889139.pdf
- http://rwathia.com/images/robloxmatchcom-free-robux_GM431946152.pdf
- http://rwathia.com/images/minecraft-com-free_GM479516143.pdf
- http://rwathia.com/images/free-robux-with-no-human-verification_GM431946152.pdf
- http://rwathia.com/images/free-robux-games-on-roblox_GM431946152.pdf
- http://rwathia.com/images/roblox-font-free_GM431946152.pdf
- http://rwathia.com/images/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.pdf
- http://rwathia.com/images/how-to-hack-people-on-roblox_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_off0000476c.bin` `63e9f213e6ba453d4d83d92380fe1a973a329933d16f4e888ee4a949ccbd603d`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x476C	29780 bytes
`font_01_sfnt_off00008898.bin` `5bc30252b20e252a4e4f12754ee6fd7a8bdc905346c0352a18cf9aa56584dd16`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8898	18056 bytes

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