Malicious PDF — malware analysis report

Static analysis result for SHA-256 7321e5f11d6d3c7e…

MALICIOUS

PDF

187.4 KB Created: 2015-07-23 21:01:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b45c7d2d8423092a269137ef6e6d5c8d SHA-1: 7ea7b01a3684dee06af10a0c58aaefd26238761a SHA-256: 7321e5f11d6d3c7e844750e903426e389abfa4da603a3851e52749570f244b3c
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the presence of a malicious URL is a strong indicator of 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=%D0%A5%D0%B0%D1%80%D0%B0%D0%BA%D1%82%D0%B5%D1%80%D0%B8%D1%81%D1%82%D0%B8%D0%BA%D0%B0+%D1%81%D1%82%D1%83%D0%B4%D0%B5%D0%BD%D1%82%D0%B0+%D1%81+%D0%BC%D0%B5%D1%81%D1%82%D0%B0+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%B8+%D0%B2+%D0%BA%D0%B0%D1%84%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184741_skachat_programmu_dlya_nakrutki_lyudey_v_gruppu_vkontakte.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184628_foto_goluye_devushki.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184324_happy_wheels_igrat_onlayn_besplatno_v_polnuyu_versiyu.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_off00024a06.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24A06 3556 bytes
font_01_sfnt_off00025789.bin
ae2a8ea68fc5bc8a105709311e54b64ba882d6cdfa0b47db3dd79260ac93659a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25789 15120 bytes
font_02_sfnt_off00028643.bin
c31e5699321bbf51ebaf1c646861b52d8cd8f6d2dece268e48ceeced704a0ddf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28643 14536 bytes
font_03_sfnt_off0002b107.bin
f2e5fd26a3ff14054c0f85917c1a60ff932e5a723edd963aa77941fecf022388		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B107 6508 bytes
font_04_sfnt_off0002c39e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C39E 6084 bytes
font_05_sfnt_off0002d333.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D333 3752 bytes

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