Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d474cc6b1677e64…

MALICIOUS

PDF

186.1 KB Created: 2015-08-10 05:03:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 084cd7c860fe744a112aa19290735d62 SHA-1: 348948441396c2455358e95845b543e44293176b SHA-256: 3d474cc6b1677e645cd71f632a30a7244e07cc43aa5b8ba2647919f5c0cf00a8
150 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL points to botcraftman.ru, which is flagged as malicious. This suggests the document is designed to lure users to a compromised or malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, and the document body was not parsable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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-7622341-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7622341-0
  • 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=pro+football+%D1%84%D1%83%D1%82%D0%B1%D0%BE%D0%BB%D1%8C%D0%BD%D1%8B%D0%B9+%D0%BC%D0%B5%D0%BD%D0%B5%D0%B4%D0%B6%D0%B5%D1%80+%D0%B1%D0%B0%D0%B3%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4398/4398607_skachat_igruy_na_vindovs_7_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4426/4426568_bot_na_shahtera_advance_rp.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4443/4443498_chit_dlya_zombi_fermuy_vkontakte.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023fb1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FB1 3556 bytes
font_01_sfnt_off00024d34.bin
478a9cb4289b8f43fd83596e71de64cd0ac7e5e9c52512dd409efa46bd232a60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D34 15252 bytes
font_02_sfnt_off00027c1a.bin
55f3b981fbad1d3929f853c65c31c91b72313f5d0c743eb0666fe84d460f92c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C1A 14952 bytes
font_03_sfnt_off0002a7f1.bin
d38d93bf0b58e6606ca15133daf1ccc775cdf2d618b275a788f2f51bc37e128a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7F1 7640 bytes
font_04_sfnt_off0002be75.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE75 6084 bytes
font_05_sfnt_off0002ce0a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE0A 3752 bytes

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