Malicious PDF — malware analysis report

Static analysis result for SHA-256 0183725472606598…

MALICIOUS

PDF

185.8 KB Created: 2015-07-25 09:17:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ef54311a2cb7fd525d814a968475d603 SHA-1: b825e25f13f49ae6c0077b85b45e7b10ad2e7470 SHA-256: 01837254726065983347656c30af69c76b1d3318e4abb6b1c44c79ef198934b0
92 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a direct link to a known malicious redirector. This indicates the document is likely intended to lure users to a malicious site for further exploitation, such as phishing or malware download. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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=%D1%82%D0%B0%D1%8F+%D1%82%D0%B0%D1%8F+%D1%82%D0%B0%D1%8F+%D0%B3%D1%80%D1%83%D0%B7%D0%B8%D0%BD%D1%81%D0%BA%D0%B0%D1%8F+%D0%BF%D0%B5%D1%81%D0%BD%D1%8F+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185418_iveko_stralis_koduy_oshibok.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191655_investicionnuyy_proekt_primeruy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197213_raspechatat_krasivuye_bukvuy_russkogo_alfavita.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245ee.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245EE 3556 bytes
font_01_sfnt_off00025371.bin
0ea1f06e072a6014fc89b21627c8f18f0169cfcd0b765ca4b4a70bc32389ab32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25371 14420 bytes
font_02_sfnt_off000280c2.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x280C2 14468 bytes
font_03_sfnt_off0002ab75.bin
e6daef46aa1a78cc5771d8870cf389fc542405c5f6c683ec01cf6520a3691794		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB75 6296 bytes
font_04_sfnt_off0002bd39.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD39 6084 bytes
font_05_sfnt_off0002ccce.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCCE 3752 bytes

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