Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcae1cdf9a05d8d5…

MALICIOUS

PDF

347.3 KB Created: 2015-08-24 01:00:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-16
MD5: 793bb37f74349fe78c90193aee7aae0c SHA-1: 201367822cca5611911e15406a0a168fd96ed682 SHA-256: fcae1cdf9a05d8d512ddbdaaadcd77901edc49787d7f6c63c5f7731666bc571d
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. The embedded URL is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of a malicious link suggests an attempt to lure the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BA%D0%B0%D0%BA+%D1%81%D0%B4%D0%B5%D0%BB%D0%B0%D1%82%D1%8C+%D1%81%D0%BF%D0%B0%D0%B9%D1%81+%D0%B8%D0%B7+%D1%87%D0%B5%D0%B3%D0%BE+%D0%B4%D0%B5%D0%BB%D0%B0%D1%8E%D1%82+%D0%B4%D0%B6%D0%B8%D0%B2%D0%B8%D0%B0%D1%88&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693413_rukovodstvo__po__remontu_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693134_protokol__obschego__sobraniya_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693894_skachat__drayver__mrt_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000528a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x528A0 8408 bytes
SHA-256: 240145560bfc18323effcb3e9d693aa8f7d4019c4ea47f4a5a2bbb81e0f3f653
font_01_sfnt_off000540da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x540DA 14000 bytes
SHA-256: 2a7292a8a1604733326212860d4b4a77f15987374f8653c423819251aa0bd49e

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