PDF malware analysis — malicious · c7fce8011bd28935

MALICIOUS

PDF

34.4 KB Created: 2021-06-20 15:20:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15

MD5: a7f926e5edec5108fed507bc4bcf84cf SHA-1: 20e2fef2192db84fddc75c7ce734c375e6de15f2 SHA-256: c7fce8011bd28935c8adfe97b9403f5f8032dabb4f8057fd65cc5ca99ef77813

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The document contains multiple embedded URLs and a prominent external URI pointing to game-related content, suggesting a lure for users to download further content. The presence of a 'download button' heuristic and the ML classifier's high confidence further support a malicious intent. The document's content and heuristics indicate a phishing or scam attempt to trick users into visiting malicious sites.

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.co/app/431946152/roblox-mods-for-free-game-hack PDF link annotation
- https://www.maverickengineers.com/uploaded_files/userfiles/files/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/give-free-robux_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/coin-master-free-spins-facebook_GM406889139.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/roblox-download-free-pc-windows-xp_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-roblox-accounts-with-admin_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/minecraft-free-school_GM479516143.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/robux-free-com_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/pubg-uc-hack-without-human-verification_GM1330123889.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-robux-codes-generator_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/oprewards-login_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-coin-spin_GM406889139.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/oprewards-com-earn_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/coin-master-cheat-engine-hack_GM406889139.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/free-robux-no-password-reques_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/como-obtener-robux-gratis-sin-hackear_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/real-robux-hack-no-survey-2021_GM431946152.pdfIn PDF document text
- https://www.maverickengineers.com/uploaded_files/userfiles/files/https-oprewards-com-roblox_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00002f49.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F49	22528 bytes
SHA-256: `ecf7118d6c7eacc081d0c1aec4eaccafe79814a2b43ce88d8665afcb2687c932`
`font_01_sfnt_off0000615e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x615E	19020 bytes
SHA-256: `3a9fd3470c0fc8b8a0464037414b1cd11bf43d1a4794ab0d3e23e5ca6369e3a9`

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