Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3c1c45829a7fd16…

MALICIOUS

PDF

337.2 KB Created: 2015-08-19 14:12:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 3cd1aabd0d7fe5afb3a62fd99272f42d SHA-1: 5089db577f17eaa82522b21150ed9fe25d927005 SHA-256: e3c1c45829a7fd1624f5cfaf6a7656411f8accfbcb4b1951ad964c4a67aa8d7e
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/. This indicates an attempt to lure the user to a harmful site. The document body, though heavily obfuscated, contains keywords that might be used in social engineering lures. No scripts were extracted from this sample.

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=zaka+zaka+gta+5&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626554_skachat_odnoklassniki_na_telefon.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626582_sladkov_medveddarmoed_chitat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626620_gotovuyy_dnevnik_po_proizvodstvennoy_praktike_medsestruy.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000500d4.bin
cd7412d4e2092e58f5d47d99b9d47ef6945f40d769b77f11ffc9a535e5c6ec42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x500D4 8628 bytes
font_01_sfnt_off0005199c.bin
1fcb321f260eceab114e4cad50f8c3e8c6fa08d8f53a694a211b41e993c1c500		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5199C 13880 bytes

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