Malicious PDF — malware analysis report

Static analysis result for SHA-256 6db5634c59ab94ec…

MALICIOUS

PDF

182.5 KB Created: 2015-08-08 09:53:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2cb720be0e0e2a919cb7f4a882156537 SHA-1: 1326a4b6e8e9ebef96d07a8467e5555a9b404137 SHA-256: 6db5634c59ab94ec4ddb8136ad37dca927c9b4940b9262c6ebb86d0014e476d8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector, botcraftman.ru. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact payload.

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=easyrecovery+portable&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383936_garmin_etrex_venture_hc_kartuy_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384502_skachat_gta_san_andreas_multipleer_03e_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383874_sozdat_rezyume_s_foto.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off00029e53.bin
547a5a2a1d0163bf30e1d18eb7e10e4b7a0cc3754c4fd3bc40549e0117faf253		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x29E53 6276 bytes
font_00_sfnt_off0002386b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2386B 3556 bytes
font_01_sfnt_off000245ee.bin
8e899b857d1ddd415e77e0c3cd6becd014aa127a2e97db8a6bd7114f592fd2b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245EE 14532 bytes
font_02_sfnt_off000272ac.bin
65771f3d734697f803d7c9c5c4fa295829df2d02ff56666e3ec44a3aee93d733		 pdf-font-stream PDF embedded font (sfnt) at offset 0x272AC 14760 bytes
font_04_sfnt_off0002b020.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B020 6084 bytes
font_05_sfnt_off0002bfb5.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BFB5 3752 bytes

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