Malicious PDF — malware analysis report

Static analysis result for SHA-256 2dab70e7e2516d8a…

MALICIOUS

PDF

42.1 KB Created: 2021-05-14 11:36:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-14
MD5: d6132d105382da44eedbe6e1e03eb6e5 SHA-1: 03fe1fe17865e4366be18636ca3069f2c7282481 SHA-256: 2dab70e7e2516d8a781358bf37e1944ccda19884335ee5eeedea6b55fdad3d6e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and references to free spins and Robux, indicating a lure for potentially malicious downloads or scams. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lures suggest an attempt to redirect users to malicious sites, likely as part of a phishing or scam campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/60-free-spins-coin-master-game-hack PDF link annotation
    • http://smart-pro.co.uk/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/robux-free-com_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/minecraft-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://smart-pro.co.uk/images/coin-master-hack-with-facebook-login_GM406889139.pdfIn PDF document text
    • http://smart-pro.co.uk/images/free-spins-on-coin-masters_GM406889139.pdfIn PDF document text
    • http://smart-pro.co.uk/images/is-there-any-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/robuxy-com-generator_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/free-robux-cards_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/how-to-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://smart-pro.co.uk/images/free-robux-exe_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/free-printable-roblox-images_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/can-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://smart-pro.co.uk/images/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • http://smart-pro.co.uk/images/coin-master-hack-cheat-generator-d_GM406889139.pdfIn PDF document text
    • http://smart-pro.co.uk/images/is-roblox-studio-free_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.

FilenameKindSourceSize
stream_003_off00004973.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4973 24708 bytes
SHA-256: 418aca9f04f8c262965b95ebd1e20d35ad37dd57b7f9b02ee242b12e177ec853
font_01_sfnt_off00008242.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8242 18224 bytes
SHA-256: c1ecca62003467cdf8c5fbac224d7e39febf20c3e1f0cb28698ef381036d4826

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