Malicious PDF — malware analysis report

Static analysis result for SHA-256 95e45c8188accccf…

MALICIOUS

PDF

184.8 KB Created: 2015-08-08 12:28:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ead90b0a4128b5af1906860a4ab31712 SHA-1: b68333bb167470828652c5055c7262f909caac62 SHA-256: 95e45c8188accccfc2afd83ddb5c8e7027ebb8a05b98a57131af6c99319b02eb
92 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. This indicates an attempt to lure the user to a harmful website. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample, limiting the analysis of its behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%BC%D1%83%D0%B7%D1%8B%D0%BA%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B7%D0%B0%D1%81%D1%82%D0%BE%D0%BB%D1%8C%D1%8F+%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://img1.liveinternet.ru/images/attach/c/6//4385/4385622_mortal_kombat_9_na_psp_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383714_skachat_klip_kiesza_hideaway_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387236_krossfit_programmuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f06.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F06 3556 bytes
font_01_sfnt_off00024c89.bin
03f0827bfd560d6024c2b162c00354e75ea1994713708e53a8684dea3d2e8b08		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C89 15328 bytes
font_02_sfnt_off00027b71.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B71 14468 bytes
font_03_sfnt_off0002a623.bin
85a848beae673b4d3b7c1ab5968f55cce5d574ac88ef4f87d90e245dbe9796bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A623 6712 bytes
font_04_sfnt_off0002b987.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B987 6084 bytes
font_05_sfnt_off0002c91c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C91C 3752 bytes

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