Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc5f7267503c637d…

MALICIOUS

PDF

185.0 KB Created: 2015-08-08 10:40:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 421827c9184137ee4cca0dbcfe322289 SHA-1: c0b671cb1414a071db0a8b6e31276c39b2cfe867 SHA-256: dc5f7267503c637d7df6b2921766ff731186d554b8a32c41575b9c1fc0c74101
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link identified as a malicious redirector. This link points to 'http://botcraftman.ru/', which is likely used to lure users to a malicious site. No scripts were extracted from this sample, but the presence of the malicious URL is a strong indicator of malicious intent.

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+minecraft+pe+trashbox&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384720_4_fotki_1_slovo_skachat_na_nokia.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385102_raspisanie_avtobusov_tver_andreapol.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384592_skachat_film_krish_2_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a580.bin
6670a172d09aae7d645854f972bfa28def495a99c1d60e596b402c4f3768f80c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A580 7144 bytes
font_00_sfnt_off00023d3c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D3C 3556 bytes
font_01_sfnt_off00024abf.bin
9dceaef1cc98b2dbca36689463dd1c42934bc06f6f0d06f7578bad98110fe151		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24ABF 15040 bytes
font_02_sfnt_off000278ec.bin
ea9538522be0af2235f8a603f40b09a7d17fb8e025fe1d7229aff0529e67014d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x278EC 15140 bytes
font_04_sfnt_off0002ba47.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA47 6084 bytes
font_05_sfnt_off0002c9dc.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C9DC 3752 bytes

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