Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb48f0f133bc70f0…

MALICIOUS

PDF

51.5 KB Created: 2021-06-02 12:16:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 736637071e8f17e3c10c8a3e4995b0c7 SHA-1: bdffe5b6b39e2654d3e4bed7b625bf0a498a619c SHA-256: eb48f0f133bc70f0428c35f37182dda5294bf8980a80fd82759a741b8ae36f92
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to known malicious infrastructure, specifically a URL related to "how to hack Robux". The document body also contains similar URLs and a call-to-action phrase, indicating a social engineering lure. While no scripts were explicitly extracted, the PDF structure and malicious links suggest it's designed to lead the user to a potentially harmful website, likely for phishing or scam purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9685

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/431946152/how-to-hack-robux-with-cheat-engine-6.4-2021-game-hack In PDF document text
    • http://vagency.us/images/roblox-games-com-free_GM431946152.pdfIn PDF document text
    • http://vagency.us/images/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/tiktok-free-views-trial_GM835599320.pdfIn PDF document text
    • http://vagency.us/images/40-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
    • http://vagency.us/images/how-to-hack-coin-master-game-without-root_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/free-star-codes-roblox_GM431946152.pdfIn PDF document text
    • http://vagency.us/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://vagency.us/images/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
    • http://vagency.us/images/coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/free-spins-coin-master-app-ios_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • http://vagency.us/images/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://vagency.us/images/give-me-free-robux_GM431946152.pdfIn PDF document text
    • http://vagency.us/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://vagency.us/images/hacked-client-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005246.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5246 24376 bytes
SHA-256: 1e2f2d45493731dd09ecfb81e750899b37521fa297027ee7ff8c2ac401044d31
font_01_sfnt_off00008a1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A1C 2988 bytes
SHA-256: 0a60472e0e40344e46bba39030ab8278d03f6e3ac39410e815b0970d7ee4c7cc
font_02_sfnt_off00009475.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9475 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_03_sfnt_off0000a11d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA11D 19988 bytes
SHA-256: 7ac830e565101d54ae3253e7247ad6980462484d8b7ce36c6be12191b4a1977b

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