Malicious PDF — malware analysis report

Static analysis result for SHA-256 22b9536779e3e334…

MALICIOUS

PDF

185.6 KB Created: 2015-07-24 00:13:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: f704a14a78316de26a9e0b1beed3963d SHA-1: 08103c74e10dddb3da5d8d1ea504ab09da694432 SHA-256: 22b9536779e3e3349e4e9e91aea5bcc75a2559e9971a6f14ab272f21711626a5
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector. The presence of this link suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, limiting further analysis of the execution chain.

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%B0%D0%BB%D0%B5%D0%BA%D1%81%D0%B5%D0%B9+%D0%B1%D1%80%D1%8F%D0%BD%D1%86%D0%B5%D0%B2+%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+%D0%B2%D1%81%D0%B5+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184882_skachat_kontakt_master_polnuyu_versiyu_dlya_vzloma.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184364_prohozhdenie_stalker_zateryannuyy_mir.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184980_finereader_80_kod_aktivacii.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000241cf.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241CF 3556 bytes
font_01_sfnt_off00024f52.bin
83cbebbd0e250ce9118fb2418cc4fdc76275929d1189f407bfcea87b9e11c2c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F52 14968 bytes
font_02_sfnt_off00027d9b.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D9B 14468 bytes
font_03_sfnt_off0002a84d.bin
224ba067e3afd2e4e899268cfbc72965aa8a4d192762043ac9eb10e38102a0bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A84D 6984 bytes
font_04_sfnt_off0002bc79.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC79 6084 bytes
font_05_sfnt_off0002cc0e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC0E 3752 bytes

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