PDF static analysis report

Static analysis result for SHA-256 7b213c7df258a29c…

SUSPICIOUS

PDF

36.0 KB Created: 2021-07-03 14:12:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: c64cbb7bdd43d3ef613d761b8ac4e801 SHA-1: aff3c56cc251e508efca0e0ed4d19113b68c024b SHA-256: 7b213c7df258a29ccad8ea466dfeb51f84ed8046bf75364702ebcf1701415026
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external resources, primarily related to 'free Robux' and game hacks, suggesting a social engineering lure. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URIs further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the overall pattern indicates a phishing attempt to trick users into downloading malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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.tw/app/431946152/free-robux-no-human-verification-2021-game-hack PDF link annotation
    • http://camphat.com.vn/upload/UploadFiles/files/is-it-possible-for-someone-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/coin-master-daily-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/free-roblox-group-giving-robux_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/hacks-para-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/htpp-free-robux-space_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/win-free-robux_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/can-you-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/my-roblox-avatar_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/roblox-download-free-windows-10_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/minecraft-life-hacks_GM479516143.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/cute-free-hair-on-roblox_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/safe-hack-for-coin-master-android_GM406889139.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/i-need-more-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/dll-hacks-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/how-to-use-gamesense-roblox-hack_GM431946152.pdfIn PDF document text
    • http://camphat.com.vn/upload/UploadFiles/files/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33EE 22468 bytes
SHA-256: cd8c45a6e1e81e822e54d19d6a28b3cb842c1ac73d1d544752dbeec63cc99146
font_01_sfnt_off000065d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65D4 19736 bytes
SHA-256: 354295dcb16db07fec6852cf507e3dd09a8f39b1f712ecea2001cf8559992bf9

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