Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0d3e3b660e00b9f…

MALICIOUS

PDF

183.6 KB Created: 2015-07-24 23:39:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 19c041ab5819505d3fb2a9d522430f03 SHA-1: b608921c78c8841c0ba5eb4c9a25d3744d19e187 SHA-256: b0d3e3b660e00b9f6c4704ef9e3e35eaa288db3133456ef7f6e37b5d04248252
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a link that redirects to known malicious infrastructure. The lure text suggests a software download, likely to trick users into clicking the malicious link. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

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%BA%D1%80%D1%8F%D0%BA+%D0%B4%D0%BB%D1%8F+sony+vegas+pro+12&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195771_trifonov_monastuyr_kirov_raspisanie_sluzhb.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186466_explay_surfer_732_3g_proshivka.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192744_dab_step_muzuyka_2014_slushat_i_skachat_besplatno_albom.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a067.bin
22aa0409e73e70edbe126cde6a751aac4b3fb2004c762986599c5a046d289388		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A067 6980 bytes
font_00_sfnt_off00023a6e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23A6E 3556 bytes
font_01_sfnt_off000247f1.bin
466d3e35faf244518d031e19e213dabe45225409552931625464867b99491533		 pdf-font-stream PDF embedded font (sfnt) at offset 0x247F1 14792 bytes
font_02_sfnt_off00027581.bin
543fc6a821061125e8e99fb487c74e60da722e8394e5f7b60db1a89bbb79fb7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27581 14516 bytes
font_04_sfnt_off0002b493.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B493 6084 bytes
font_05_sfnt_off0002c428.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C428 3752 bytes

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