Malicious PDF — malware analysis report

Static analysis result for SHA-256 fefbdb30f987bf7f…

MALICIOUS

PDF

185.3 KB Created: 2015-08-08 09:39:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 795b8b152fa495a48f042290d10dc072 SHA-1: c91d13477474ed9cb96b358f3714d0a42472db9f SHA-256: fefbdb30f987bf7f7efbc882a6512e2b6013a0e2592eb7fdf36f6280b9e3c747
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely part of a phishing or malware distribution chain. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D0%BA%D1%80%D1%83%D1%82%D0%BA%D0%B8+%D1%80%D0%B5%D0%BF%D0%BE%D1%81%D1%82%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383724_riven_gayd_2015.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383732_delfinariy_na_russkom_ostrove.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383988_skrillex_skachat_vse_albomuy_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024279.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24279 3556 bytes
font_01_sfnt_off00024ffc.bin
d6c1e075ce3cde013fb5377fb8f15f47daea501f5669e148e6073f1fd4af91e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FFC 14556 bytes
font_02_sfnt_off00027d87.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D87 14468 bytes
font_03_sfnt_off0002a83a.bin
a677faea7cdebfffdc906311bf373b432778b81b1e01a1c4b293aa9e05bd5f94		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A83A 6656 bytes
font_04_sfnt_off0002bb54.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB54 6084 bytes
font_05_sfnt_off0002cae9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CAE9 3752 bytes

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