Malicious PDF — malware analysis report

Static analysis result for SHA-256 29265483963d2005…

MALICIOUS

PDF

185.1 KB Created: 2015-07-24 11:38:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: b9fad238ad8ffbba96eaa965b04cb770 SHA-1: 8ba366eb07c804c0375cb3479b340966b9732be9 SHA-256: 29265483963d20055b7fa87e90ec910143d3defb12004183bf772b465b56355a
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely used to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, limiting the analysis of the file's specific execution behavior.

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=word+microsoft+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191460_skachat_windows_8_32_rus_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189338_udostoverenie_po_yelektrobezopasnosti_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188529_drayver_na_printer_canon_lbp_2900.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a5a5.bin
e220d392c835c545465dd69132a0b7eef2dfc67bad972550b8f5ac2697faa895		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A5A5 7188 bytes
font_00_sfnt_off00023e47.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23E47 3556 bytes
font_01_sfnt_off00024bca.bin
857f6fba8fd542aa5c931542a518326a4d4346b9d23b980d246c629185ae00cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24BCA 14800 bytes
font_02_sfnt_off000279c9.bin
4c26c215538168c78b1de49685b847c98d11f248b5efce79cfb2bde9562bb1f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x279C9 14840 bytes
font_04_sfnt_off0002ba90.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA90 6084 bytes
font_05_sfnt_off0002ca25.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA25 3752 bytes

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