Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0b1d4d3071b3490…

MALICIOUS

PDF

234.3 KB Created: 2021-04-04 19:01:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 826d58181e1d17d4dc523c8934c5c683 SHA-1: 2637dd08bafb956c020310d57551e81fbdb72b01 SHA-256: f0b1d4d3071b3490cb95e12c3893098c3d030e2312a4499c7320e3ddedffd7ce
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a specific signature indicating phishing related to game item trading. An external URI pointing to a similar topic was extracted, suggesting a lure to a malicious website. Although no scripts were directly extracted, the PDF structure and the presence of external links indicate a potential phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier clean score 0.0491

Heuristics 4

  • ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
  • 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://gaminggenerator.org/app/431946152/how-to-hack-a-trade-in-roblox PDF link annotation
    • 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_off00035684.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x35684 21360 bytes
SHA-256: 3969bb5aa7364f10c8423534a500c37a7fa21d3ce40bd5d93b89958d4728d901
font_01_sfnt_off00038504.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x38504 18052 bytes
SHA-256: e35301c9067088ddde06bd637079bf443a5a0ae554038ff9a657b3e02191f459

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