Malicious PDF — malware analysis report

Static analysis result for SHA-256 d65620bab57deb60…

MALICIOUS

PDF

185.0 KB Created: 2015-07-25 06:07:46 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8f3eaf2efb2bf079738794a31aab1125 SHA-1: 22893a371f572d3ad4507f41a934f40ae88c6e7d SHA-256: d65620bab57deb601e41d48904445e53ba05d21e8b20e6c6861513dc451522cd
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/. This heuristic indicates the document is likely designed to lure users to a malicious website. No scripts were extracted, and the document body was not parsable, limiting further analysis of the specific lure. The file was authored using wkhtmltopdf, a tool sometimes used to generate malicious PDFs.

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+%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B5%D0%BD%D0%BD%D1%8B%D0%B9+%D1%8D%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+ps1&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192666_vimanika_shastra_s_illyustraciyami_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4194/4194828_tatyana_koryanova_skachat_kurs_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189323_samaya_bolshaya_tayna_dyevid_ayk_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a563.bin
ce1515b45389933fc2e26b61244bed2cb63ac363e2636a9b864efab92cf099d2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A563 7092 bytes
font_00_sfnt_off00023faf.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FAF 3556 bytes
font_01_sfnt_off00024d32.bin
589858105d324029bc72cd59b7efa49e17add4467d1571e2fe4b081ebfe049d4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D32 14496 bytes
font_02_sfnt_off00027ab1.bin
0a421b7b3e60b296e51bef9799dbefe38bb6d6a02bbfc58b23de8b5662fc7b22		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AB1 14468 bytes
font_04_sfnt_off0002ba19.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA19 6084 bytes
font_05_sfnt_off0002c9ae.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9AE 3752 bytes

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