Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0bb69b452654c1e…

MALICIOUS

PDF

496.9 KB Created: 2009-08-21 19:22:22 Authoring application: Scribus 1.3.3.13 (via Scribus PDF Library 1.3.3.13)
MD5: ced615d8555aa0ae77bd521202e901f0 SHA-1: 1bbe12c2c76b95e39082f402b891c2bcb3e164a7 SHA-256: f0bb69b452654c1e47453b39a00fae86ae3ed509ddcd982385577ced4dd3dc59
66 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains embedded JavaScript, flagged by heuristics as potentially malicious. The SE_CALLBACK_LURE heuristic indicates the document body is designed to trick users into calling a phone number, a common tactic in tech-support scams and callback phishing. While the specific JavaScript content is not detailed, its presence and the callback lure suggest an attempt to initiate a fraudulent interaction.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9590

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/

Extracted artifacts 10

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0159_000.js
36ab918d7f4c14c272a23be327f1afbe98318d8cd24c66e1bdbeab4486db805c		 pdf-javascript-stream PDF /JS object 159 at offset 0x4BA03 263 bytes
javascript_obj0160_001.js
a5e1afdcbd769a1a625d06862f5835110a0890f7a51562d802416f35f6efc428		 pdf-javascript-stream PDF /JS object 160 at offset 0x4BB14 22745 bytes
icc_00_off000427c6.icc
2b3aa1645779a9e634744faf9b01e9102b0c9b88fd6deced7934df86b949af7e		 pdf-icc-profile PDF ICC profile at offset 0x427C6 3144 bytes
font_00_sfnt_off0000481d.bin
5f96e1e90c4ef56487c91d02c05141dca0967f8e2bbd5d67be6c4f381f0afa79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x481D 62160 bytes
font_01_sfnt_off0000dc73.bin
b661c2e877dd6b7625208ae148d736aedb24eda2d4f014262cbb7f958f538ca0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDC73 71216 bytes
font_02_sfnt_off0001acce.bin
8b62f203a4ab5c2ac76368029c584b4fa12fffc17f3b6e4e43a9997416807d21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1ACCE 11156 bytes
font_03_sfnt_off0001cc7f.bin
d375c22ace40f0b973d7308d85023b2e0e49d40dc51da45552d116868346475e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1CC7F 37232 bytes
font_04_sfnt_off00023ad6.bin
afeb9e1e920aae3aca3f295f1bbccba46b16423dac14b1b5fde4b661de9198cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23AD6 46764 bytes
font_05_sfnt_off0002c351.bin
95592346b00d039686aa3d7e22eae3d52b011e7e842a5c123f73e89ea766cd35		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C351 22628 bytes
font_06_sfnt_off000383f8.bin
6cf6df6beee88aa138f821122d0c1969b348cebe09cafe5b5f6a7eb8c27107a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x383F8 32640 bytes

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