Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8fa3738f108833d…

MALICIOUS

PDF

185.6 KB Created: 2015-08-08 11:00:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: ba9e2efb4b551419655792bb856df570 SHA-1: 03fe485bc27163a867f5da24945502d599042508 SHA-256: f8fa3738f108833d5c8d442b05cea30eda07bb979e4a5507b6da3becda641cc3
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. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware delivery. No scripts were extracted, and the document body was not sufficiently readable to determine a 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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D1%84%D0%B5%D1%80%D0%BC%D1%83+%D1%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+2009&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385242_proektuy_polutorayetazhnuyh_kirpichnuyh_domov.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386768_knigi_na_koreyskom_yazuyke.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4386/4386363_skachat_besplatno_veseluyu_fermu_2_bez_ogranicheniya_vremeni.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000241c3.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241C3 3556 bytes
font_01_sfnt_off00024f46.bin
e69ed7dc4a2b330fd6976b1043f85445eff781e65e1652a14fdbc3879dde76a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F46 14472 bytes
font_02_sfnt_off00027c8b.bin
48f84fcbf1c2f2f63a64e10bcf88d9bfd7d6068d6c91b483338e4fc3ceacca09		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C8B 14468 bytes
font_03_sfnt_off0002a740.bin
c1362b4afbf7dc7b600b6bc36329d350085fc03ff6b65fc9a890016c9413d75a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A740 7240 bytes
font_04_sfnt_off0002bc83.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC83 6084 bytes
font_05_sfnt_off0002cc18.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC18 3752 bytes

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