Malicious PDF — malware analysis report

Static analysis result for SHA-256 60be4713ff91215b…

MALICIOUS

PDF

36.1 KB Created: 2021-05-20 21:15:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: dcbbd54d78ad3669515ac5f379e61147 SHA-1: a67fa5fe661a72b57fd9811decb8979849575525 SHA-256: 60be4713ff91215b997c8a2422cafaf8ab64a0e254061305a74e2b5c74e8ad5f
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links and text that mimic download prompts for game cheats and in-game currency, directing users to malicious URLs. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that the primary URL leads to known malicious infrastructure. While no scripts were explicitly extracted, the document's structure and embedded URLs strongly suggest an attempt to trick users into downloading malware, likely through a social engineering pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/479516143/minecraft-hacked-client-1.12-2-game-hack In PDF document text
    • http://www.imperialaccountingfl.com/images/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/coin-master-free-spinv1-0apkpure-com-apk_GM406889139.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://www.imperialaccountingfl.com/images/how-to-get-free-robux-without-doing-anything_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
font_00_sfnt_off00003269.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3269 26252 bytes
SHA-256: 8d372183e0b0c4250401f9fd4e06c7dcb0a752b40000f5a9915da7fc32a27456
font_01_sfnt_off00006bc6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BC6 18280 bytes
SHA-256: 63e0cf813ec8bc820137db86bcb3617ef7dd45146c6ac783cccfa5d71b9aece7

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