Malicious PDF — malware analysis report

Static analysis result for SHA-256 f5b4c473d153586f…

MALICIOUS

PDF

188.1 KB Created: 2015-07-24 12:31:13 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4cf6257118280d7f8f3b65253b411f7c SHA-1: 7fdcef78ac2f1724088f19aad07ba71393d2b2d4 SHA-256: f5b4c473d153586f1a4fa611eade28973d88329226744a966a48ea99bfe302c6
120 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV and contains a critical heuristic firing for a malicious redirector link. The embedded URL points to 'botcraftman.ru', which is flagged as malicious. This suggests the PDF is designed to lure users to a harmful website, likely for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the delivery mechanism.

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-7495106-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7495106-0
  • 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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BF%D0%BB%D0%B5%D0%B9+%D0%BC%D0%B0%D1%80%D0%BA%D0%B5%D1%82+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B1%D0%B5%D0%B7+%D1%80%D0%B5%D0%B3%D0%B8%D1%81%D1%82%D1%80%D0%B0%D1%86%D0%B8%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191259_hristianskie_pesni_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191953_skachat_spletnica_2_sezon_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191517_flight_simulator_x_hd_fsx_extreme_graphics_2015_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024bb8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BB8 3556 bytes
font_01_sfnt_off0002593b.bin
1a87da805bb25a71d6db48c784e8185b5f53edb01122800970390e4bc8ec00f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2593B 15116 bytes
font_02_sfnt_off000287d2.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x287D2 14468 bytes
font_03_sfnt_off0002b284.bin
26a2943ee4c4f93487852e017b209e1bf4316c279a10082406f95eca617349a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B284 6992 bytes
font_04_sfnt_off0002c6b8.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C6B8 6084 bytes
font_05_sfnt_off0002d64d.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D64D 3752 bytes

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