Malicious PDF — malware analysis report

Static analysis result for SHA-256 297904e50acc746e…

MALICIOUS

PDF

358.4 KB Created: 2015-08-27 10:10:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 88d7a1a3e6621a67001442b8350aae29 SHA-1: 687196ba6d74f44e15622279e60cf0fc814d06dc SHA-256: 297904e50acc746e2fd5504017a178dd611a7c3fe3fa65594315a91f52a242b0
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it is a malicious redirector link. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%9A%D1%80%D0%B0%D1%81%D0%B8%D0%B2%D1%8B%D0%B9+%D1%88%D1%80%D0%B8%D1%84%D1%82+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&charset=utf-8' is flagged as malicious. This suggests the document's primary purpose is to lure the user to this external site, which is a common tactic for malware distribution or phishing.

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.
  • ClamAV: Pdf.Dropper.Agent-9021267-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9021267-0
  • 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%9A%D1%80%D0%B0%D1%81%D0%B8%D0%B2%D1%8B%D0%B9+%D1%88%D1%80%D0%B8%D1%84%D1%82+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772276_multfilm__muha__cokotuha_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771975_skachat__igru__cherez_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772342_evdokimenko__taynaya__formula_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005553c.bin
fd028bb5bbd13b36e51e44b76d0926fe9dc7aa6e9aeb36051840f3bc6fe3de08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5553C 8008 bytes
font_01_sfnt_off00056c73.bin
622a61bb4619ceb3499bc6c914cbde36d1ffaf8beab21dc6657fbf72d492e55f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56C73 14528 bytes

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