Malicious PDF — malware analysis report

Static analysis result for SHA-256 220e3fd56a7446ca…

MALICIOUS

PDF

183.7 KB Created: 2015-08-08 09:49:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 97ca8f0836c1a126d76786d03944326f SHA-1: fec5479d8f74812a650c3de5d1e8c8498530730f SHA-256: 220e3fd56a7446ca669b78ece4157d827c3e1c2e072fab1fbdf46a6f5e374cba
90 Risk Score

Malware Insights

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

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

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B5%D1%80%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%82+%D0%BD%D0%B0+%D0%BF%D0%B8%D0%BB%D0%BE%D0%BC%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D0%B0%D0%BB&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383705_skachat_obuchayuschie_multfilmuy_dlya_detey.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384453_pornoroliki_3gp_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383713_skachat_brauzer_na_telefon_nokia_5228.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023ede.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EDE 3556 bytes
font_01_sfnt_off00024c61.bin
5ca0a63c5bf027629f7b460e69f9b557f6d01ae5c93a1f75c068c15a6cd5b749		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C61 13616 bytes
font_02_sfnt_off0002776f.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2776F 14468 bytes
font_03_sfnt_off0002a221.bin
e41e021ece6617595e0b8e143b84827003453c236046bf424e7d1904314f93c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A221 6596 bytes
font_04_sfnt_off0002b509.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B509 6084 bytes
font_05_sfnt_off0002c49e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C49E 3752 bytes

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