PDF malware analysis — malicious · a4dc2a46ad886ea2

MALICIOUS

PDF

35.6 KB Created: 2021-07-02 02:56:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 856380f7a5502162b9e628015f8fa73b SHA-1: b60f45dd9f57a5f29913168918c4e6ae5355f355 SHA-256: a4dc2a46ad886ea2db8cfc0713793216fd6d36e9b19d4a283e47c7f2dafb11b6

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The document contains lures for free game codes and hacks, directing users to download files from external URLs. The ML classifier strongly flagged this PDF as malicious, and embedded URLs suggest a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a likely attempt to deliver a second-stage payload or lead the user to a malicious site.

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/free-toys-codes-roblox-game-hack
- http://lib.smklabor.sch.id/repository/coin-master-free-spons-apk-2021_GM406889139.pdf
- http://lib.smklabor.sch.id/repository/free-bc-for-roblox-codes_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/free-spin-hack-coin-master-2021_GM406889139.pdf
- http://lib.smklabor.sch.id/repository/how-to-hack-coin-master-ios_GM406889139.pdf
- http://lib.smklabor.sch.id/repository/free-robux-wiyh-email_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/free-to-take-roblox-eye_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/how-to-make-your-roblox-game-famous-for-free_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/robux-fun-robux-hack_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/free-roblox-code-generator-no-survey_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/roblox-hack-injector_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/how-to-put-cheat-codes-roblox-bubblegum_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/minecraft-free-minecraft_GM479516143.pdf
- http://lib.smklabor.sch.id/repository/how-to-hack-roblox-accounts-on-phone_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/how-to-get-free-roblox-real_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/hack-roblox-free-admin_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/free-links-coin-master_GM406889139.pdf
- http://lib.smklabor.sch.id/repository/roblox-free-rubox_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/coin-master-card-collection-hack-2021_GM406889139.pdf
- http://lib.smklabor.sch.id/repository/hack-roblox-unlimited-robux_GM431946152.pdf
- http://lib.smklabor.sch.id/repository/game-guardian-hack-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
`font_00_sfnt_off000033a8.bin` `e6b0543dd1c3373443127646a19677a96e976e56898903021c35ae624dfe19ad`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33A8	22572 bytes
`font_01_sfnt_off00006603.bin` `d3350088a50f0f702cbf89df56cc33ab3d01fa790e61adcee0870860e47f1507`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6603	19004 bytes

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