Malicious PDF — malware analysis report

Static analysis result for SHA-256 045ddf5e9cdc5843…

MALICIOUS

PDF

349.3 KB Created: 2015-08-27 10:04:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: edea4d9182a0f1db2a69b9704a0cce90 SHA-1: c165ce18e7d61280c48e483351d8e7b3c03d1d5c SHA-256: 045ddf5e9cdc58437279d9772714ea79e033c988e297d9fcac3e747cfd7beafc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as malicious and redirects to a known malicious domain. This indicates an attempt to lure the user to a compromised site, likely for credential harvesting or further malware delivery. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D1%80%D0%B5%D1%82%D1%80%D0%B8%D0%BA%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772252_divan__svoimi__rukami_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4772/4772268_1s__buhgalteriya__82_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4771/4771991_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000530ef.bin
62ec6954c918243a3ef8d289dfebc5964049f7f783e0712008b01de151660747		 pdf-font-stream PDF embedded font (sfnt) at offset 0x530EF 7748 bytes
font_01_sfnt_off000547a2.bin
50b7bdf48ef566f9d88ca6a8773e6463c5c64ae04712a6fbb8ec69c8821ce40c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x547A2 14568 bytes

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