Malicious PDF — malware analysis report

Static analysis result for SHA-256 bad7eae6542cefff…

MALICIOUS

PDF

187.3 KB Created: 2015-07-26 06:42:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fa42af39ca8080318171989509b548db SHA-1: fd64da2a2faa72043fe1cc3649c5776f12a57d3b SHA-256: bad7eae6542cefffa8d5223735fbcffbd470346812affdc80d93b3e3e23c9269
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 suggests the document is designed to lure users to a malicious website. 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=%D0%B3%D0%B4%D0%B7+%D0%BF%D0%BE+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+%D0%B4%D0%BB%D1%8F+%D0%BF%D0%BE%D1%81%D1%82%D1%83%D0%BF%D0%B8%D0%B2%D1%88%D0%B8%D1%85+%D0%B2+%D0%B2%D1%83%D0%B7%D1%8B+%D1%80%D0%BE%D0%B7%D0%B5%D0%BD%D1%82%D0%B0%D0%BB%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4200/4200671_top_luchshih_programm_dlya_android.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4203/4203652_pley_market_skachat_dlya_nokia_603.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4211/4211424_prinuditelnaya_feminizaciya_porno_rasskazuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000247d1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247D1 3556 bytes
font_01_sfnt_off00025554.bin
158a119c5852af86652df86b5f9180916ab8f0ad10c3f0ce1bd6c4527283d838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25554 14832 bytes
font_02_sfnt_off000283fa.bin
0f7bc22695fadd882892007ec8488a83ded268ae5d2e13a25cd9b8d85fda3be6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x283FA 14588 bytes
font_03_sfnt_off0002af0b.bin
f8584a3be2b127173d6b91943ceb384e25ae0346dd5b5f9606d1950ae6260957		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AF0B 7068 bytes
font_04_sfnt_off0002c38e.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C38E 6084 bytes
font_05_sfnt_off0002d323.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D323 3752 bytes

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