Malicious PDF — malware analysis report

Static analysis result for SHA-256 d907d476e8162a02…

MALICIOUS

PDF

184.6 KB Created: 2015-08-08 12:25:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9ca1767555f5f6629cf1980993cbaa42 SHA-1: 79c7a5ae07bb828889295bb5acdea8a5067ac555 SHA-256: d907d476e8162a027d0d9c79e9b45b368ec6aa8bfc230d7bde6cf25f87fb75b2
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 containing a link to a known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL http://botcraftman.ru/... is the primary indicator of malicious intent, likely serving as a lure for phishing or malware delivery. No scripts were extracted, and the document body was truncated and uninformative.

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%BC%D0%B0%D0%BC%D0%B0+%D0%BF%D0%B5%D1%80%D0%B2%D0%BE%D0%B5+%D1%81%D0%BB%D0%BE%D0%B2%D0%BE+%D0%BF%D0%B5%D1%81%D0%BD%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384648_smotret_multik_pokoyo_na_russkom_yazuyke_vse_serii_podryad.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4389/4389930_smeta_na_krovlyu_iz_profnastila_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4389/4389782_skachat_gotovuye_proektuy_dlya_blufftitler.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023fb1.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FB1 3556 bytes
font_01_sfnt_off00024d34.bin
3f3882228045fb816d3c4c5fedc01780e7e1b64dc7e58cb0171b8b4dac8d1ef2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D34 14568 bytes
font_02_sfnt_off00027aef.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27AEF 14468 bytes
font_03_sfnt_off0002a5a1.bin
eb9a73e9a3e765e7dab0525a0021b4862e6340bd7126d3985396f7bde5195c4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A5A1 6604 bytes
font_04_sfnt_off0002b87d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B87D 6084 bytes
font_05_sfnt_off0002c812.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C812 3752 bytes

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