Malicious PDF — malware analysis report

Static analysis result for SHA-256 8619deb5e636099c…

MALICIOUS

PDF

349.6 KB Created: 2015-08-26 13:42:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 3fa48e0d1283ac26501f6310811ac9ad SHA-1: 4895e5cc333e5bb6821569abf36ee7bf6f7dc335 SHA-256: 8619deb5e636099c610fb4a3776daf5ff042eb38943c20907512b2962a9f2cd0
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, 'http://botcraftman.ru/?lip&keyword=fifa+11+%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+pc&charset=utf-8', is presented in a context that suggests a lure for downloading software. ClamAV also detected this file as 'Pdf.Dropper.Agent-8925131-0', further supporting its malicious nature. No scripts were extracted from this sample.

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-8925131-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8925131-0
  • 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=fifa+11+%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+pc&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752973_graficheskie__ramki__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4754/4754207_prodigy__diskografiya_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4753/4753753_karta__salou__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000533d6.bin
c02c76e3ab806242e973313657829c7c809fe0b351239717304adc74acedae0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x533D6 8584 bytes
font_01_sfnt_off00054b15.bin
e1cc2f369997af7698194a3bd1836c09c222e60bbf54fea416da2b539a7f737d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54B15 14416 bytes

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