Malicious PDF — malware analysis report

Static analysis result for SHA-256 5739c8ad356045e9…

MALICIOUS

PDF

186.6 KB Created: 2015-08-08 10:41:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 80530a8f89bce9578bf3344e6862ae22 SHA-1: e08cad65c489b1b0af8ef54128b251c8d10354f6 SHA-256: 5739c8ad356045e9a0fffee0ce509eed41619768380ca6a028a020bafe59cb47
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of the malicious link strongly suggests a social engineering attack.

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%B8%D0%B7%D0%BC%D0%B5%D1%80%D0%B8%D1%82%D0%B5%D0%BB%D1%8C+%D1%81%D0%BE%D0%BF%D1%80%D0%BE%D1%82%D0%B8%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D0%B7%D0%B0%D0%B7%D0%B5%D0%BC%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D1%844103-%D0%BC1+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384077_skachat_stihotvorenie_pushkina_prorok.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385056_rukovodstvo_po_remontu_mitsubishi_canter_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385914_nastroyka_biosa_dlya_ustanovki_windows_7.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002457b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2457B 3556 bytes
font_01_sfnt_off000252fe.bin
b0d9c6ce3c5daa3fa914fa124baf8c622301fe07a7bb449add71b424fdbdf115		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252FE 14740 bytes
font_02_sfnt_off00028088.bin
b51ce307efaa74bfcf3cf3a7447f8847c31062678b679670ca9a753961293fc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28088 14468 bytes
font_03_sfnt_off0002ab3f.bin
c6eb9d567cf3123c6d7080a7c000713cea0bcdf365b8c409567297362ee45b5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB3F 7300 bytes
font_04_sfnt_off0002c0ac.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0AC 6084 bytes
font_05_sfnt_off0002d041.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D041 3752 bytes

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