Malicious PDF — malware analysis report

Static analysis result for SHA-256 00f1b59d01cc8e1f…

MALICIOUS

PDF

351.3 KB Created: 2015-08-26 10:05:36 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b0f9a9c33dc8f7c6efd4cedf663f93fa SHA-1: 5d978c3ef411d7fdbf0126556fb1df92552b0337 SHA-256: 00f1b59d01cc8e1f34f5e41ab3b6485e6c5de6e0bf64d13307192924bb933110
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The embedded URL `http://botcraftman.ru/...` is highly suspicious and likely serves as a lure to a malicious site. No scripts were extracted, and the document body was unreadable, but the presence of the malicious link is sufficient evidence of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80+%D0%B1%D0%B5%D1%81%D0%BF%D1%80%D0%BE%D0%B2%D0%BE%D0%B4%D0%BD%D0%BE%D0%B9+%D1%81%D0%B5%D1%82%D0%B8&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751808_directx__12___.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751684_skachat__mutatoruy__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752326_prozrachnuye__ramki__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053483.bin
bf693226bcb8ce7822e5f8bb1b22758e60e4896ed6bac4f9c0a41818eb7bd920		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53483 7840 bytes
font_01_sfnt_off00054b4f.bin
716d4314776862a52a9903757904873d73034d6efd8af95281a338a1ef7ce5eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54B4F 16436 bytes

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