Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d780b0ce4c06f2d…

MALICIOUS

PDF

293.0 KB Created: 2015-08-29 01:17:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4b692dca31a8ef0aa5ba15ab7dd85a1f SHA-1: 1a751e934b08b68c83006455bbb02837023c2c58 SHA-256: 3d780b0ce4c06f2d19e68768487a524df506be46e9797f237302368e0d206106
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link. This link, http://botcraftman.ru/?lip&keyword=%D1%87%D0%B8%D1%82+%D0%BD%D0%B0+%D0%BA%D1%80%D0%B8&charset=utf-8, is likely intended to lead the user to a malicious site. No scripts were extracted, but the presence of the malicious URL strongly suggests a phishing or malware delivery attempt.

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%87%D0%B8%D1%82+%D0%BD%D0%B0+%D0%BA%D1%80%D0%B8&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817905_srochnuyy__trudovoy__dogovor_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817839_zateryannuye__v__shangrila_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817640_root__prava__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004597b.bin
207a785782eee684c5e79f8ed6cbe01a2d21fec18048c85e51119187fb791d29		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4597B 6880 bytes
font_01_sfnt_off00046d4e.bin
a1e37d79c5fedf4e20c933fecfe127a699bbfd6796f6bada9745b70d8b5ffd24		 pdf-font-stream PDF embedded font (sfnt) at offset 0x46D4E 12412 bytes

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