Malicious PDF — malware analysis report

Static analysis result for SHA-256 272a5cb93e9321cc…

MALICIOUS

PDF

186.7 KB Created: 2015-08-08 10:01:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 56eebc2b09b81e5723bc31fb47e12d59 SHA-1: 110bbb68c3d3cf66a46268a5103433282e2fcd9f SHA-256: 272a5cb93e9321cc66ef0a7ed2f088fb138c49944d1b2c039bc3e45d32df9c9b
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure. The primary IOC is the malicious URL.

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%A1%D0%BC%D0%B5%D1%88%D0%BD%D1%8B%D0%B5+%D1%81%D1%86%D0%B5%D0%BD%D0%B0%D1%80%D0%B8%D0%B8+%D1%81%D0%BA%D0%B0%D0%B7%D0%BE%D0%BA+%D0%BD%D0%B0+%D1%81%D0%BE%D0%B2%D1%80%D0%B5%D0%BC%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9+%D0%BB%D0%B0%D0%B4+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B7%D1%80%D0%BE%D1%81%D0%BB%D1%8B%D1%85+%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384631________isarcextract.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384275_velikolepnuyy_vek_92_seriya_na_russkom_yazuyke_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384091_skachat_novuyy_russkiy_ryep_2015.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024675.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24675 3556 bytes
font_01_sfnt_off000253f8.bin
0dc2c1183f972d61a4b68cd72805aad95ac94c4318351f45a164293dc2e5743d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253F8 14768 bytes
font_02_sfnt_off000281a6.bin
0f7bc22695fadd882892007ec8488a83ded268ae5d2e13a25cd9b8d85fda3be6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x281A6 14588 bytes
font_03_sfnt_off0002acb7.bin
6b0ab104a00b7700ebbd4d712096b38a4b7065ad73fef3833751870927ed3316		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ACB7 7028 bytes
font_04_sfnt_off0002c0fa.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0FA 6084 bytes
font_05_sfnt_off0002d08f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D08F 3752 bytes

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