Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf7cbc6cf724d260…

MALICIOUS

PDF

186.9 KB Created: 2015-07-24 04:41:35 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 408835435495bac8059bbd539c5df537 SHA-1: a9a14aa3b6cd0515120ec97d1c11f9d51ec9c3c0 SHA-256: bf7cbc6cf724d2603d3d740d9947b2bb62c641b5a6f8e1021748409edab66b7d
60 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that is flagged as a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. The file was generated by wkhtmltopdf, which is sometimes used to create malicious documents. No scripts were extracted from this sample.

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%BA%D0%BE%D0%B4+%D0%BD%D0%B0+%D1%81%D0%B0%D0%BC%D1%8B%D0%B5+%D0%BA%D1%80%D1%83%D1%82%D1%8B%D0%B5+%D1%82%D0%B0%D1%87%D0%BA%D0%B8+%D0%B2+%D0%B3%D1%82%D0%B0+%D1%81%D0%B0%D0%BD+%D0%B0%D0%BD%D0%B4%D1%80%D0%B5%D0%B0%D1%81&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185118_ufo_aftershock_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187420_programma_yeverest_na_russkom_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185526_programma_dlya_ozvuchivaniya_teksta_na_russkom_yazuyke.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002485a.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2485A 3556 bytes
font_01_sfnt_off000255dd.bin
bff01d33f7fb21dadbdba84ca98bb1daeed19e929a884e2f2b2423fdde0e81bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255DD 14668 bytes
font_02_sfnt_off000283bf.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283BF 14468 bytes
font_03_sfnt_off0002ae71.bin
44cbaf3d026147083430d5c95c311afbe53ad5237cfa66faf84f04b1de225a93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AE71 6700 bytes
font_04_sfnt_off0002c1ab.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1AB 6084 bytes
font_05_sfnt_off0002d140.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D140 3752 bytes

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