Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbc7b237fcaf5014…

MALICIOUS

PDF

184.3 KB Created: 2015-07-24 12:25:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6) First seen: 2021-09-23
MD5: fbf3aa6ce2b55f629e248322c53de02c SHA-1: 80920fc4e625ffe9d3c5e4d4a9ba3a351dc0171e SHA-256: fbc7b237fcaf50149487fefdccbfaf3b0543581c8921aa626330bb01a50ac287
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-7495150-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7495150-0
  • 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%A1%D1%8B%D1%80%D0%B0%D1%8F+%D0%B2%D0%BE%D0%B9%D0%BD%D0%B0+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8 In PDF document text
    • http://fastpic.ru/In PDF document text
    • http://www.liveinternet.ru/clickIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185834_gotovoe_portfolio_uchenika_9_klassa.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189856_dizayn_slaydov_dlya_powerpoint_2010_skachat.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191807_tematicheskoe_planirovanie_po_russkomu_yazuyku_6_klass_babayceva.pdfIn PDF document text
    • http://www.microsoft.com/typography/fonts/In PDF document text
    • http://www.microsoft.com/typography/fonts/YouIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00023ffa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x23FFA 3556 bytes
SHA-256: 880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281
font_01_sfnt_off00024d7d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24D7D 14136 bytes
SHA-256: eddb2e2f857cbd97f87cee0161d9b6328d13648ca9363740ec72e51bf30cfbb5
font_02_sfnt_off000279f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x279F8 14468 bytes
SHA-256: c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd
font_03_sfnt_off0002a4aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2A4AA 6604 bytes
SHA-256: 5be14bdc8053d675852cf7a630e3140cb83beb8e55dfaf2458571ff58b67530d
font_04_sfnt_off0002b77e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B77E 6084 bytes
SHA-256: 819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3
font_05_sfnt_off0002c713.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C713 3752 bytes
SHA-256: 9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e

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