Malicious PDF — malware analysis report

Static analysis result for SHA-256 61a946f754e1a6f7…

MALICIOUS

PDF

184.8 KB Created: 2015-07-23 20:13:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: e538b792c461c78c1cd3f27b1c84cf89 SHA-1: 1aad4056c564d23615813f965102a6b42d071156 SHA-256: 61a946f754e1a6f7e7a6d5477fc6fa3705055be0b63cebe701df36585df499db
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was detected as malicious by multiple heuristics, including a critical finding for a link to a known malicious redirector. The ClamAV detection name 'Pdf.Dropper.Agent-8739364-0' suggests the PDF is designed to drop or redirect to further malicious content. The embedded URL is the primary indicator of malicious intent, likely serving as a lure for phishing or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8739364-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8739364-0
  • 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%BB%D0%B0%D0%BB%D0%B0%D0%BB%D1%83%D0%BF%D1%81%D0%B8+%D0%BC%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%BA+%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//4184/4184409_programma_vremya_segodnyashniy_vuypusk_21_00_smotret_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184356_1s_kompleksnaya_avtomatizaciya_8_samouchitel_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184352_skachat_spidhak_dlya_kss_v34.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024211.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24211 3556 bytes
font_01_sfnt_off00024f94.bin
1b55e7594406d6393b9d23027c929e88f106d4df7484a7701da1593cb12626fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F94 14116 bytes
font_02_sfnt_off00027c35.bin
174a748e656ecd6952924126d2026011874b923e4153d32e46ff3796b1239a0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27C35 14468 bytes
font_03_sfnt_off0002a6e6.bin
db3413aaf7c7389ecd28a7182c14974719dde12407ca977f711cfb081a74eb5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6E6 6484 bytes
font_04_sfnt_off0002b96a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B96A 6084 bytes
font_05_sfnt_off0002c8ff.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8FF 3752 bytes

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