Malicious PDF — malware analysis report

Static analysis result for SHA-256 47cec22feacc3cbf…

MALICIOUS

PDF

185.8 KB Created: 2015-07-27 14:16:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c44d959db8e7bc8140d835b72b4a805c SHA-1: af4a55de472def156aa762215733b9f1ce6c2002 SHA-256: 47cec22feacc3cbf44486715fe4fdc9327db3ed592c100f7e8e2e9a26d2ebb12
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also assigned a high probability of maliciousness. The embedded URL points to botcraftman.ru, which is associated with malicious activity. No scripts were extracted, but the presence of the malicious link strongly suggests a phishing or malware delivery attempt.

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%84%D0%B8%D0%BA%D1%81%D0%B8%D0%BA%D0%B8+%D0%BD%D0%BE%D0%B2%D1%8B%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8+2013+%D0%B3%D0%BE%D0%B4%D0%B0+%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/5//4206/4206937_skachat_besplatnuyy_pley_market_na_nokia.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196837_kamyanova_nemeckiy_otvetuy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4219/4219269_klassifikaciya_organicheskih_veschestv_tablica.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002445d.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2445D 3556 bytes
font_01_sfnt_off000251e0.bin
716fc042dd0cce335e23d750d4511b8f26d7dfdd33649338bd1279e94406b794		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251E0 14440 bytes
font_02_sfnt_off00027eb0.bin
bf452c5f5b8d4056dc93f92bde33b7cb60956ef4af3eaae674759af905e9025b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EB0 14468 bytes
font_03_sfnt_off0002a95c.bin
098b921e284313fd40fcfd3fde76b1ea552502af6dd7e667f2f45018224c3104		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A95C 6964 bytes
font_04_sfnt_off0002bd97.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD97 6084 bytes
font_05_sfnt_off0002cd2c.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD2C 3752 bytes

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