Malicious PDF — malware analysis report

Static analysis result for SHA-256 006bc0948418ecb4…

MALICIOUS

PDF

625.5 KB Authoring application: Viraciregavi
MD5: 20e92f38f3f06eaad4008d0ac6146d0a SHA-1: bdf8209dea6144f17897b9698306f190c8643ecd SHA-256: 006bc0948418ecb445a3ddbba7f7e133459d6e4557d2d6581ec926ff14638b12
68 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF contains embedded JavaScript, flagged by heuristics, which is often used to execute malicious actions. The 'SE_CALLBACK_LURE' heuristic indicates the document attempts to trick users into calling a phone number, a common tactic in tech support scams or phishing operations. While no specific family is identified, the combination of JavaScript and a callback lure points to a social engineering attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9582

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://ns.InsiderSoftware.com/fontlist/1.0/
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/sType/ResourceRef#
    • http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://www.iec.ch
    • https://www.verisign.com/rpa
    • http://ocsp.verisign.com/ocsp/status0
    • https://www.verisign.com/rpa0
    • http://crl.microsoft.com/pki/crl/products/CodeSignPCA.crl0
    • http://www.microsoft.com/typography
    • https://www.verisign.com/repository/CPS��
    • https://www.verisign.com
    • https://www.verisign.com/repository/verisignlogo.gif0��
    • https://www.verisign.com/CPS0b
    • http://www.microsoft.com/truetype/0
    • https://www.verisign.com/repository/RPA0
    • https://www.verisign.com/repository/verisignlogo.gif0�
    • https://www.verisign.com/CPS
    • https://www.verisign.com/repository/CPS

Extracted artifacts 8

Files carved from inside the sample during analysis.

FilenameKindSourceSize
icc_00_off000426b0.icc
2b3aa1645779a9e634744faf9b01e9102b0c9b88fd6deced7934df86b949af7e		 pdf-icc-profile PDF ICC profile at offset 0x426B0 3144 bytes
font_00_sfnt_off00004703.bin
5f96e1e90c4ef56487c91d02c05141dca0967f8e2bbd5d67be6c4f381f0afa79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4703 62160 bytes
font_01_sfnt_off0000db59.bin
b661c2e877dd6b7625208ae148d736aedb24eda2d4f014262cbb7f958f538ca0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDB59 71216 bytes
font_02_sfnt_off0001abb4.bin
8b62f203a4ab5c2ac76368029c584b4fa12fffc17f3b6e4e43a9997416807d21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1ABB4 11156 bytes
font_03_sfnt_off0001cb65.bin
d375c22ace40f0b973d7308d85023b2e0e49d40dc51da45552d116868346475e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CB65 37232 bytes
font_04_sfnt_off000239bc.bin
afeb9e1e920aae3aca3f295f1bbccba46b16423dac14b1b5fde4b661de9198cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x239BC 46764 bytes
font_05_sfnt_off0002c237.bin
95592346b00d039686aa3d7e22eae3d52b011e7e842a5c123f73e89ea766cd35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C237 22628 bytes
font_06_sfnt_off000382e2.bin
6cf6df6beee88aa138f821122d0c1969b348cebe09cafe5b5f6a7eb8c27107a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x382E2 32640 bytes

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