Malicious PDF — malware analysis report

Static analysis result for SHA-256 af369c924b998e79…

MALICIOUS

PDF

189.4 KB Created: 2015-08-08 09:28:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4a23751795ca5b885f2aed0900ee4c0e SHA-1: 96e4bb70d0914337b73d043bde7d3b5bb6c8d4a7 SHA-256: af369c924b998e797da1e838a3900d535453dd25c2355ca456a33501bc07dc91
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating it is a malicious redirector link. The embedded URL, http://botcraftman.ru/, is also flagged as malicious. This suggests the PDF is designed to lure users to a potentially harmful website. No scripts were extracted, but the presence of a malicious URL is sufficient evidence for this assessment.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7699908-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7699908-0
  • 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%82%D0%B8%D0%BF%D0%BE%D0%B2%D0%B0%D1%8F+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F+%D0%BF%D0%BE+%D0%BE%D1%85%D1%80%D0%B0%D0%BD%D0%B5+%D1%82%D1%80%D1%83%D0%B4%D0%B0+%D0%BF%D1%80%D0%B8+%D1%80%D0%B0%D0%B1%D0%BE%D1%82%D0%B5+%D0%BD%D0%B0+%D0%B2%D1%8B%D1%81%D0%BE%D1%82%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383789_skachat_windows_7_maksimalnaya_64_bit_s_drayverami_2015.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383808_skachat_butanimaciyu_dlya_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383731_everything_at_once_lenka_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002519c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2519C 3556 bytes
font_01_sfnt_off00025f1f.bin
d3e6e318c72cfb192ead56fad28ff0508c5639a59a9482a8a77ef06d26571b3a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25F1F 14920 bytes
font_02_sfnt_off00028d29.bin
0627de34e839737c03af0d9f30945bab194dadec018a1d0b90d3566f99dbb150		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28D29 14532 bytes
font_03_sfnt_off0002b818.bin
c83b3028a42ef18c29c5268bef47245563240a398120eed60ee7d814d544c103		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B818 6840 bytes
font_04_sfnt_off0002cbd2.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBD2 6084 bytes
font_05_sfnt_off0002db67.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2DB67 3752 bytes

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