Malicious PDF — malware analysis report

Static analysis result for SHA-256 8da4af3c2ce78cbf…

MALICIOUS

PDF

36.2 KB Created: 2021-05-21 01:15:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 690b36e17f84c8dccc630e54884bbe83 SHA-1: 52dd8b40447384e8a8d54dd83e55d06ee4c2e004 SHA-256: 8da4af3c2ce78cbf58005d1df7ec3cf4c62153450248f216d2bd073bd59930ef
82 Risk Score

Malware Insights

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

The PDF document contains social engineering lures, specifically instructing the user to click a download button or execute a command, consistent with ClickFix attacks. It embeds multiple URLs pointing to potentially malicious content related to game hacks and free accounts. While no scripts were directly extracted, the presence of embedded URLs and the social engineering tactics suggest the document is designed to trick users into downloading a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/is-there-a-way-to-get-minecraft-for-free-game-hack PDF link annotation
    • http://bogatyr.com/images/roblox-weird_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • http://bogatyr.com/images/minecraft-pe-hacks_GM479516143.pdfIn PDF document text
    • http://bogatyr.com/images/minecraft-marketplace-free_GM479516143.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_off00003341.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3341 25000 bytes
SHA-256: c7ca1946846f1e067268cf2f3017bfe3da7d12da03dde9821c7ae1aa01eb4c9d
font_01_sfnt_off00006c29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C29 18252 bytes
SHA-256: de0111ade417482c0e2229237f29b3fad1c5be4a3188252229cb4f1209180f37

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