Malicious PDF — malware analysis report

Static analysis result for SHA-256 251c395415d599a0…

MALICIOUS

PDF

185.2 KB Created: 2015-08-08 09:46:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5cbf90f6fe452ac542df939cb3107dd7 SHA-1: 6454b742cd89909b290151fdf24a15d32a9ed060 SHA-256: 251c395415d599a02c06cdf19572a3216f4624ce21d80006dfcb36ee019f77b2
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/... is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, and the document body was not parsable, limiting further analysis of the exact payload or intent beyond the malicious redirector.

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+%D1%87%D0%B8%D1%82+%D0%BD%D0%B0+%D1%82%D0%B0%D0%BD%D0%BA%D0%B8+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+cheat+crystal+v40&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384164_aleksandr_dragunkin_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384198_shrift_gost_b_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384247_skachat_audio_skazki_dlya_svadbuy_i_yubileya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a62f.bin
c234d8e01fb882cf54d86737c070a1cd09c98252cc54c79948bf312af0bd88ce		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A62F 7100 bytes
font_00_sfnt_off00024076.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24076 3556 bytes
font_01_sfnt_off00024df9.bin
a0a1842b6fefa630f687e6099b251ddda5f1bd1b1b54f47fa86a58524b37ac5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DF9 14428 bytes
font_02_sfnt_off00027acb.bin
df06ba079b94bac9daf812a1e5807f1dfbf9db632ab9d8c49129c055a50da65d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27ACB 14728 bytes
font_04_sfnt_off0002bafc.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAFC 6084 bytes
font_05_sfnt_off0002ca91.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA91 3752 bytes

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