Malicious PDF — malware analysis report

Static analysis result for SHA-256 423fe4d6719329af…

MALICIOUS

PDF

366.2 KB Created: 2015-08-25 09:31:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6a5d137272fa03c9d4fd367792bc6ccb SHA-1: b257e136d994bcbaa9d588cd6b4fecf40af9772c SHA-256: 423fe4d6719329af52df69a6b49d3875efe3f242fea8984a72cd6fd9b6d7f3e7
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, botcraftman.ru. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure. The primary IOC is the malicious redirector URL.

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%B0%D0%BD%D0%B0%D0%B1%D0%BE%D0%BB%D0%B8%D0%BA%D1%83%D0%BC+2+%D1%85%D0%BB%D0%B5%D0%B1%D0%BE%D0%BC+%D0%B8+%D0%BC%D0%B0%D1%81%D0%BB%D0%BE%D0%BC+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4725/4725174_skachat__sekretuy__garantirovannogo_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4725/4725416_kastomnaya__proshivka__ios_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4725/4725229_serialuy__pro__voynu_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00057530.bin
f2176c6a961f7f28d05adf14547a95a5b765ef87ebcbdbdbf9f57088f20fd909		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57530 8364 bytes
font_01_sfnt_off00058d5a.bin
8661fe42c577aad2897f73481c4f60d60bc43dceae8cf0e7edf60a7b966d179c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58D5A 13572 bytes

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