Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b8f953386826ffc…

MALICIOUS

PDF

186.9 KB Created: 2015-07-24 20:26:43 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6e65b6398dfc99e5bae4295d5b15f0c1 SHA-1: 106bbac7bbb89901a89e94b13809d2754f721172 SHA-256: 4b8f953386826ffc95213c6fd62af39e2a9915fef4f07bdd581c8dc24b1bd5d2
120 Risk Score

Malware Insights

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

The PDF file was flagged as a malicious redirector by ClamAV, indicating it likely serves as a lure to a malicious website. The embedded URL points to botcraftman.ru, which is identified as malicious infrastructure. The primary purpose appears to be directing users to a potentially harmful site, possibly for phishing or malware distribution.

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-7494005-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7494005-0
  • 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+auslogics+boostspeed+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192880_skachat_moduy_dlya_mount_and_blade_warband_1153.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191840_boing_767300_shema_salona_transayero.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185698_skachat_spanch_bob_5_sezon_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002aa8a.bin
55c5ad6bd1f7c9375b746f3ba86265be34f6f17bd6377f44db163f6344d845b4		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AA8A 7840 bytes
font_00_sfnt_off00024474.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24474 3556 bytes
font_01_sfnt_off000251f7.bin
d3ea06f9292d704434cdacc78e65afbb6e32104a4ee1ba9e17d371c1088d935b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251F7 14492 bytes
font_02_sfnt_off00027f17.bin
91cd6f28f9ada8585a999c8ec24d56a689203ced5de3b28fcf25e12c342029f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F17 14712 bytes
font_04_sfnt_off0002c1bf.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1BF 6084 bytes
font_05_sfnt_off0002d154.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D154 3752 bytes

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