Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef63f416e3b0e2b8…

MALICIOUS

PDF

183.6 KB Created: 2015-08-08 09:48:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: a6ee216071a9cc7ac581809b1a0f4bcf SHA-1: 591a7548c126d5cc20c1f03f610f46b07d3952d1 SHA-256: ef63f416e3b0e2b87db61e6226387150205c68a2b66f8dfa749c7520fb968625
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for containing a link to a known malicious redirector. The ML classifier also assigned a high probability of maliciousness. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site. No scripts were extracted, and the document body was not sufficiently readable to provide further context.

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%BC%D0%B5%D0%B4%D0%B2%D0%B5%D0%B4%D1%8C-%D0%B4%D0%B0%D1%80%D0%BC%D0%BE%D0%B5%D0%B4+%D1%81%D0%BB%D0%B0%D0%B4%D0%BA%D0%BE%D0%B2+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383998_skachat_kartinki_240h320_devushki.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383934_sherhan_logikar_4_instrukciya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384032_shkola_milicii_v_krasnodare_chto_sdaetsya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023e12.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E12 3556 bytes
font_01_sfnt_off00024b95.bin
9bd735a223a7fed4b6b197590a90db9ff096c8f66c06c01fe9fdc3580c2ef2d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B95 14052 bytes
font_02_sfnt_off000277bc.bin
25c6e01570ccaff1d4a42c9e9cdfd09f1d8419efdfec7b1260b18abfcc753208		 pdf-font-stream PDF embedded font (sfnt) at offset 0x277BC 14468 bytes
font_03_sfnt_off0002a271.bin
e51ac6196a109b1005af82338a549e7469604e00cea9bf1f8f83db480cd465e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A271 6428 bytes
font_04_sfnt_off0002b4ba.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B4BA 6084 bytes
font_05_sfnt_off0002c44f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C44F 3752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.