Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f915bc08ca0053a…

MALICIOUS

PDF

185.2 KB Created: 2015-08-08 10:49:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ad7684579cc420abd220b575a59b298f SHA-1: ad1d35584280032fc7c04370db040dcca731445d SHA-256: 1f915bc08ca0053a73f3f3ea43c0b6a3b5c624ca70cbf623bfdf617d4abd677a
90 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a known malicious domain, botcraftman.ru. This indicates a phishing or redirection attack. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample, limiting the analysis of its specific 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=%D0%B0%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80+%D0%B7%D0%B2%D0%B8%D0%BD%D1%86%D0%BE%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384673_skachat_katalog_filtrov_vic.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385933_skachat_vov_kataklizm_434_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385041_joe_bonamassa_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002412c.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2412C 3556 bytes
font_01_sfnt_off00024eaf.bin
44b26d0562eaa86bb2c2ae9007ae2cdab3f6914dfbc00c0f3ffb3eb095d8163a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24EAF 14992 bytes
font_02_sfnt_off00027d30.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D30 14468 bytes
font_03_sfnt_off0002a7e2.bin
bb190a2d3f6458fcf8c11ca1a0338d04eb96a254bfa47061dd9e941d8cbaff1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A7E2 6644 bytes
font_04_sfnt_off0002baee.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAEE 6084 bytes
font_05_sfnt_off0002ca83.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA83 3752 bytes

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