Malicious PDF — malware analysis report

Static analysis result for SHA-256 118de300aeaf8a2a…

MALICIOUS

PDF

187.4 KB Created: 2015-08-05 16:19:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5f4dc789e19602c7248f8bf843b27ee5 SHA-1: bd30c28a30c52da03ed0b5cfddd1e53e82d15e0a SHA-256: 118de300aeaf8a2ab37cb9627ab02e0505474d98b1c7e7570eb6439906fc7d9c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document's purpose appears to be directing users to the malicious domain, likely for phishing or to download further malicious content.

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%87%D1%82%D0%BE+%D1%82%D0%B0%D0%BA%D0%BE%D0%B5+%D0%B0%D0%B2%D0%B0%D0%BD%D1%81%D0%BE%D0%B2%D1%8B%D0%B9+%D0%BE%D1%82%D1%87%D0%B5%D1%82+%D0%B8+%D0%B4%D0%BB%D1%8F+%D1%87%D0%B5%D0%B3%D0%BE+%D0%BE%D0%BD+%D0%BD%D1%83%D0%B6%D0%B5%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305489_skachat_film_mama_besplatno_i_bez_registracii.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305102_skachat_konsultant_plyus_2014_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4305/4305690_kak_otkatit_proshivku_613_na_612_iphone_4s.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000249cc.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x249CC 3556 bytes
font_01_sfnt_off0002574f.bin
507d391ab51476f8ab93942264df7efffc34319136d364d4ea8e2ec3e14afb87		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2574F 14680 bytes
font_02_sfnt_off0002850e.bin
10fbc1208bf8e4ec965f3935ac7cfa509347adb5b5774018cde2497dd6a5b534		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2850E 14580 bytes
font_03_sfnt_off0002b01b.bin
5c2d4aff9f11d90a82352252dc7c31b9ce80ddb4e227e1241910fd7df61c5282		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B01B 6900 bytes
font_04_sfnt_off0002c3fb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C3FB 6084 bytes
font_05_sfnt_off0002d390.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D390 3752 bytes

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