Malicious PDF — malware analysis report

Static analysis result for SHA-256 804edd899799155e…

MALICIOUS

PDF

370.6 KB Created: 2015-08-11 22:12:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7ee155aadd017339c5fc7209a9509fa5 SHA-1: 0462b575df529917b23e4e2f68a225ee14a62baf SHA-256: 804edd899799155e1338731921805392e210e2d405a83d44b7cd47a2bdbdb851
120 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ClamAV and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is likely used to direct users to a malicious site. No scripts were extracted from this sample, but the presence of the malicious link is sufficient evidence of malicious intent.

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-7621157-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7621157-0
  • 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=%D0%B2%D0%B5%D1%80%D0%BA%D0%B0+%D1%81%D0%B5%D1%80%D0%B4%D1%8E%D1%87%D0%BA%D0%B0+%D0%B2%D1%81%D0%B5+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC%D1%8B+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4450/4450379_skachat_hak_dlya_vorld_of_tank.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4477/4477028_treyner_dlya_stalker_ispolnitel_zhelaniy.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4407/4407429_skachat_chit_na_avatariyu_na_zoloto_besplatno.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000585fe.bin
133107f32c0f799f4acf3eeb368e9e724d9a56a6f7abb3f9f09f5797ec87487b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x585FE 7064 bytes
font_01_sfnt_off00059af4.bin
7939b7b1941505bbd78af2d819fb785e1a29940c17504cfb86297617447bff51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59AF4 15316 bytes

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