Malicious PDF — malware analysis report

Static analysis result for SHA-256 796342748767fd71…

MALICIOUS

PDF

381.5 KB Created: 2015-08-25 00:19:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 94e38b374cb97c71a88297cb88ea68db SHA-1: c97afa8c5d0fe6d70f11fe191588b3caeb71ae5a SHA-256: 796342748767fd7130590f508b92a1cc8f0a50c8392958ea115e9b1d92c09d74
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely part of a phishing campaign designed to lure users to a compromised or malicious website. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 2

  • 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.
  • 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://botcraftman.ru/?lip&keyword=%D0%B8%D0%B3%D1%80%D0%B0+%D1%84%D0%B0%D0%B1%D1%80%D0%B8%D0%BA%D0%B0+%D0%B7%D0%B2%D0%B5%D0%B7%D0%B4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4706/4706264_instrukciya__po__yekspluatacii_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695225_dp__foto_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4703/4703283_skachat__mod__redpower_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005ad7d.bin
f768eee07cf5837afb13a5a47c871e72a491eeb70ba7601060c9853851322a74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AD7D 8188 bytes
font_01_sfnt_off0005c504.bin
7cce77a3204ec394612fa2cabb091501a4c73eeb9cc0622adc902ac4a3922687		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C504 16252 bytes

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