Malicious PDF — malware analysis report

Static analysis result for SHA-256 51daa57e74baa19f…

MALICIOUS

PDF

184.9 KB Created: 2015-08-08 14:06:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c0cad775474e30abb296c484962f687d SHA-1: deb59f6d569570f0897b9954adfc11088d5ea25a SHA-256: 51daa57e74baa19f2ea41fd02c067568881c5585b342b528c3ae39dbb80f94c6
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure, indicating an attempt to lure the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the embedded URL is sufficient evidence for malicious intent.

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=arcon+eleco+2010+%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://img0.liveinternet.ru/images/attach/c/5//4272/4272675_neyro_nogami_detektiv_iz_ada_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4393/4393427_skachat_pesni_sher_besplatno_i_bez_registracii.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384899_skachat_flesh_pleer_na_telefon_fly_bl4037.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023f84.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23F84 3556 bytes
font_01_sfnt_off00024d07.bin
1e27d1e56f9c5f3f1665236e8b01e7e76cd7e45cb486feae448686793a874fce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D07 15068 bytes
font_02_sfnt_off00027b62.bin
e23fc373b06a32c607c2189f1c0f20b3df20f43eec4f673aa421888474ef18ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B62 14468 bytes
font_03_sfnt_off0002a613.bin
dcefc231daff0786eeac5363de09e1627969feedc0d5f59accf9cd6c771a6c03		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A613 6844 bytes
font_04_sfnt_off0002b9db.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9DB 6084 bytes
font_05_sfnt_off0002c970.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C970 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.