Malicious PDF — malware analysis report

Static analysis result for SHA-256 75c2e853885e2631…

MALICIOUS

PDF

185.5 KB Created: 2015-07-25 02:59:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b69c6db05fc60ad47fc24111ad7ddcf9 SHA-1: 46ebee994ace489437478af71670f6411dff1e2a SHA-256: 75c2e853885e26313bcde71af0d3056f5eb06e37edc6f72ee74f48c4a1f707e2
90 Risk Score

Malware Insights

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

The PDF document was flagged by a critical heuristic for containing a link to known malicious redirector infrastructure. The ML classifier also strongly indicated 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 parsable.

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D1%80%D0%B0%D1%81%D1%87%D0%B5%D1%82%D0%B0+%D1%84%D1%83%D0%BD%D0%B4%D0%B0%D0%BC%D0%B5%D0%BD%D1%82%D0%B0&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193372_programmuy_dlya_sozdaniya_slaydshou_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190563_skachat_igru_veselaya_ferma_2_bez_ogranicheniya_vremeni.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191995_molitvuy_islama_na_russkom.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024406.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24406 3556 bytes
font_01_sfnt_off00025189.bin
0811da83fd74b46c718a123fb09d061c6c3084a3673cee0a7b86ecf2cd92db5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25189 14484 bytes
font_02_sfnt_off00027ed0.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27ED0 14468 bytes
font_03_sfnt_off0002a982.bin
67824cd886051ac8f3aa1533931621effeff9b723adf1a66ce8abb88c4f1a9d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A982 6560 bytes
font_04_sfnt_off0002bc58.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC58 6084 bytes
font_05_sfnt_off0002cbed.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CBED 3752 bytes

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