Malicious PDF — malware analysis report

Static analysis result for SHA-256 af41af2e6c2cdf9f…

MALICIOUS

PDF

186.8 KB Created: 2015-08-05 18:03:36 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 6fae66b37b85aafd76d1356e636109b4 SHA-1: 194707f762e1531440701c01feda19d29dd335f0 SHA-256: af41af2e6c2cdf9f6161b9dcfd904234ab4aa587b38e3b5bf95bdcb54b62e7f3
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector. This indicates an attempt to lure the user to a harmful site. The file was authored using wkhtmltopdf, which can sometimes be abused for malicious purposes. No scripts were extracted from this sample, limiting further analysis of its behavior.

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%B2%D0%BE%D0%B7%D0%B2%D1%80%D0%B0%D1%89%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B6%D0%B8%D0%B2%D1%8B%D1%85+%D0%BC%D0%B5%D1%80%D1%82%D0%B2%D0%B5%D1%86%D0%BE%D0%B2+4+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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/6//4306/4306438_skachat_launcher_maynkraft_miks_server.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4306/4306712_russkie_shriftuy_dlya_android_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305833_skachat_igru_survival_kraft.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000246aa.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x246AA 3556 bytes
font_01_sfnt_off0002542d.bin
cc69998399ffcb1ad80b6fce11524f283c1be2485c5b21865da6044dd4c39b8c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2542D 14484 bytes
font_02_sfnt_off000281de.bin
e3433fa9b44452b65bf53564f82721b123c52521374269c44f5cb190b900ec1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281DE 14748 bytes
font_03_sfnt_off0002aceb.bin
53f3c214c8f601053a3cc8ee9e79b83248f87f7c904f34af553d21932d23b293		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACEB 7148 bytes
font_04_sfnt_off0002c195.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C195 6084 bytes
font_05_sfnt_off0002d12a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D12A 3752 bytes

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