PDF malware analysis — malicious · 07f072a295c920c3

MALICIOUS

PDF

45.5 KB Created: 2021-06-11 06:15:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: afe4f6eb322c6c573a786a58c3f82f97 SHA-1: f9c4f23d1290d247cb0ed08100372c512423752e SHA-256: 07f072a295c920c3785a16df9b19403d8b87520984d39cbbd8ec4a09285c0c8c

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains multiple embedded URLs, including one pointing to a file hosted on netcdn.tw, which is associated with a lure for game hacks. The ML classifier also flagged this PDF as malicious. The presence of a download button lure and callback phishing indicators further support a malicious intent, likely to trick users into downloading malware.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

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.tw/app/431946152/hack
- https://art-concept.gr/images/robux-hack-no-human-verification-no-survey_GM431946152.pdf
- https://art-concept.gr/images/dowload-troll-hacks-to-roblox_GM431946152.pdf
- http://www.art-concept.gr/images/2021-coin-master-hack-without-verification_GM406889139.pdf
- http://www.art-concept.gr/images/get-free-robux-com_GM431946152.pdf
- https://art-concept.gr/images/hacks-for-roblox-phantom-forces-2021-august_GM431946152.pdf
- https://art-concept.gr/images/free-robux-generator-hack-best-voulu_GM431946152.pdf
- https://art-concept.gr/images/free-roblox-card-codes-not-expired-2021_GM431946152.pdf
- https://art-concept.gr/images/how-to-get-free-robux-hack-on-phone_GM431946152.pdf
- https://art-concept.gr/images/free-roblox-mgui_GM431946152.pdf
- http://www.art-concept.gr/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
- http://www.art-concept.gr/images/can-i-get-minecraft-windows-10-for-free_GM479516143.pdf
- http://www.art-concept.gr/images/roblox-hack-unlimited-robux_GM431946152.pdf
- https://art-concept.gr/images/free-roblox-combat-scripts-for-studio_GM431946152.pdf
- https://art-concept.gr/images/how-to-hack-a-roblox-server-2021_GM431946152.pdf
- http://www.art-concept.gr/images/coin-master-hacks-android_GM406889139.pdf
- https://art-concept.gr/images/how-to-get-free-gamepass-on-roblox-jailbreak_GM431946152.pdf
- https://art-concept.gr/images/free-robux-method-that-still-works_GM431946152.pdf
- http://www.art-concept.gr/images/hacks-for-minecraft-windows-10_GM479516143.pdf
- https://art-concept.gr/images/how-to-get-free-robux-from-groups_GM431946152.pdf
- http://www.art-concept.gr/images/coin-master-twitter_GM406889139.pdf
- https://www.communes.com
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00005159.bin` `2022dac65bbced58154a5c1e1445ee6bfd791a099864f6b0387c8b557a41131b`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5159	25528 bytes
`font_01_sfnt_off00008c45.bin` `f85f4011e7cf38d69387d6ffae3087ae7b68cd035d6abd8779c6f78a9e13410e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C45	19260 bytes

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