Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2aabe269929f6cb…

MALICIOUS

PDF

347.7 KB Created: 2015-08-27 09:50:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 814d04ce7d8737139fea8855ad47b100 SHA-1: dd2b8967e1abd701237a17c9024333d96b532060 SHA-256: b2aabe269929f6cb7b9af48f13f3955fabe91186d8524a232d95eddd9f7a4c92
68 Risk Score

Malware Insights

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

The PDF file contains an embedded JavaScript stream and a critical heuristic firing for a malicious redirector link. The link points to 'http://botcraftman.ru/', which is known malicious infrastructure. This suggests the document is intended to trick the user into visiting a compromised site, likely for further exploitation or credential harvesting. No other specific malware family indicators were detected.

Heuristics 3

  • 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 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://botcraftman.ru/?lip&keyword=%D0%BF%D0%BE%D1%80%D0%BD%D0%BE+%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771845_alisa__vse__albomuy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771946_shtrafuy__gibdd__2015_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771900_prisyagnuvshie__tme__skachat_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052eaa.bin
d44bfa620370e2dc3c479b9d77148697001d09f54045315cc65125b54de9c4b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52EAA 8128 bytes
font_01_sfnt_off00054643.bin
f3f527b0c8edd3235ca013b17b8a504f4e5529388e7cbf17af404104f7682606		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54643 12744 bytes

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