Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b9038a6cac49e47…

MALICIOUS

PDF

185.7 KB Created: 2015-07-24 00:07:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0a09b0456ddd735f00ded29e70fd0aa8 SHA-1: 0efabead73cd9c0bcc3e8fe67f1e4085fb28f745 SHA-256: 0b9038a6cac49e4785bb53c44150c33b5782ee1bbda40e5086f1b3fa81e8fc79
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is flagged by heuristics. This indicates the document's primary purpose is to lure the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and the malicious link suggest an attempt to deliver a payload or phish for information.

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-7512617-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7512617-0
  • 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+gta+vice+city+underground+2+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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//4184/4184434_reshenie_zadach_s5_po_himii.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185151_magicad_201211_x64_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185918_gta_san_andreas_skachat_s_torrenta_original_besplatno.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_off00023ff4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FF4 3556 bytes
font_01_sfnt_off00024d77.bin
046e980a2b68f894d6f98cf6bc82633b11ab8dbbbe39e5273576dfb94664e23e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D77 15044 bytes
font_02_sfnt_off00027b98.bin
0c23c54609a8ebcf035c54e757b8a71f1647403a60a2adf03a3c3996aed577fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B98 14628 bytes
font_03_sfnt_off0002a6d5.bin
46f97d1b8ee285fbbaf2b5117db58d2197ce02856a3be461d512ce6dc28229a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A6D5 7552 bytes
font_04_sfnt_off0002bd16.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BD16 6084 bytes
font_05_sfnt_off0002ccab.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CCAB 3752 bytes

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