Malicious PDF — malware analysis report

Static analysis result for SHA-256 843fec47732b861f…

MALICIOUS

PDF

345.0 KB Created: 2015-08-24 06:01:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 77e8e1d0443fdb3fc49ca6dd669c89a1 SHA-1: c178beb5d427719fbe6f6d4e2be5f850dc003236 SHA-256: 843fec47732b861ff85188333d6346ecb420a1aebcc1f8cd36a7cb049a7fa61a
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 the document is designed to lure the user to a harmful website. The embedded URL http://botcraftman.ru/?lip&keyword=Adblock+plus+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BC%D0%B8%D0%B3%D0%BE&charset=utf-8 was flagged as malicious by the redirector link heuristic. No scripts were extracted from this sample.

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=Adblock+plus+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BC%D0%B8%D0%B3%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693521_silviya__dyey__perepletayas_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4698/4698007_patch__dlya__fifa_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4695/4695117_skachat__besplatno__gta_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051735.bin
42485325364449de8a8039c88e157a2292390d3c3d94e4c9312c5b817b8de041		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51735 9508 bytes
font_01_sfnt_off000531e5.bin
c89e63307bc93041f7c496e37cd058759b0bdb78f26bbcd587dac6e6af2a3726		 pdf-font-stream PDF embedded font (sfnt) at offset 0x531E5 17052 bytes

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