Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b440a0243ef12e1…

MALICIOUS

PDF

185.9 KB Created: 2015-07-24 13:20:07 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c5522a784b23c612d2da616c2916e8cd SHA-1: dc900a1836806fdff8e704832566011aa8083b05 SHA-256: 1b440a0243ef12e1615db975515453756afa28b2153a5400412ef749d39296a2
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 link to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. The embedded URL is the primary indicator of malicious intent, suggesting a redirection to a harmful site.

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=lock+on+%D0%B3%D0%BE%D1%80%D1%8F%D1%87%D0%B8%D0%B5+%D1%81%D0%BA%D0%B0%D0%BB%D1%8B+%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//4190/4190148_grafik_uborki_tualetov_blankdoc.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187660_zune_dlya_nokia_lyumia_800_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184967_chit_na_yenergiyu_k_igre_sladkiy_flirt.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243f3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243F3 3556 bytes
font_01_sfnt_off00025176.bin
1ad69dae47ed8451c388b720bf53e892fcd634815a9dde065bf7daa78389449b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25176 14616 bytes
font_02_sfnt_off00027f5a.bin
3be550378188ee7ba52643c85d9785c5b03410d0e5ccf6469ba13aa84fb192e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F5A 14468 bytes
font_03_sfnt_off0002aa07.bin
7242c995733d44665f96403cd32b8a4073d498800fd73ec609b2c414b077a8a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA07 6844 bytes
font_04_sfnt_off0002bdb9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDB9 6084 bytes
font_05_sfnt_off0002cd4e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD4E 3752 bytes

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