Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee2dfc8f4dfc305f…

MALICIOUS

PDF

41.6 KB Created: 2021-05-20 02:17:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 0167fa082c1977d91441dafeb80f3666 SHA-1: 5cd868fce8532d0ce9f4c6c3b8f0b35e2e2c71af SHA-256: ee2dfc8f4dfc305fd2f7cec4bab08076b624f02e3fcab4394e40e8cfc13c82d3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains embedded URLs and a document body that attempts to lure the user into downloading a file by masquerading as a game hack. The 'SE_CLICKFIX' heuristic indicates the document likely instructs the user to execute a command, a common tactic to bypass macro restrictions and download further malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/479516143/minecraft-menu-game-hack PDF link annotation
    • https://bgescc.com/images/free-coin-master-spins-2021-link_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/app-master_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/new-free-money-links-coin-master_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/free-robux-mod_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-hack-2021-ios_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/how-to-get-roblox-premium-for-free_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/roblox-earn_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-free-spins-link-no-verification-2021_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-free-download-for-pc_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-35-16-hack-apk_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/free-roblox-acc_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/roblox-free-followers_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/free-promo-codes-for-coin-master_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/coin-master-hack-mod_GM406889139.pdfIn PDF document text
    • https://bgescc.com/images/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
    • https://bgescc.com/images/huskybuscom-free-robux_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_off00004902.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4902 25340 bytes
SHA-256: 7be4ef0198c29e976aa7d9e337b41d8fe8c2e4cdb431730dec2cd11112b26068
font_01_sfnt_off00008213.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8213 17708 bytes
SHA-256: 679a1d8f76460a115219f4f15c6f17ac3f2059c2b9f5df8a51dcf2988abe9cc5

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