Malicious PDF — malware analysis report

Static analysis result for SHA-256 387c1f8d6b670f78…

MALICIOUS

PDF

185.7 KB Created: 2015-07-25 12:02:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d1d6ab2dd610e251d5114498691b3b6e SHA-1: 6ba4b33669a0ccf16ce7a277fe828bf02adcc76d SHA-256: 387c1f8d6b670f78533f349ad337d64d9a70a875386724014777fcb28d93688d
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical alert for a malicious redirector link pointing to 'http://botcraftman.ru/'. The ML classifier also assigned a high probability of maliciousness. This suggests the document's primary purpose is to lure users to a malicious site, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8786488-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8786488-0
  • 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=3d+instructor+2+home+keygen+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186246_mayorskie_pogonuy_rasstoyanie.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184685_akunin_ohota_na_odisseya_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191541_skachat_komissar_vse_pesni_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a772.bin
a22d32c4e8634a700bf12eda9956c5aebc2dd1bf555be7a7aaa7a4d30d5d5024		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A772 7376 bytes
font_00_sfnt_off000240bb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240BB 3556 bytes
font_01_sfnt_off00024e3e.bin
3225a0d8a704e0adc28b75a9e902e7f1c66af01a0ec08cfeca66abae76485567		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E3E 14552 bytes
font_02_sfnt_off00027bd7.bin
fe9294155530c4f0eceb1cda06de862d4e2a3f972e3ee4bf19bcac034d3da39b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BD7 14844 bytes
font_04_sfnt_off0002bd15.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD15 6084 bytes
font_05_sfnt_off0002ccaa.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCAA 3752 bytes

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