Malicious PDF — malware analysis report

Static analysis result for SHA-256 72006d4e528c880d…

MALICIOUS

PDF

185.4 KB Created: 2015-07-23 20:13:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: cdd9be055b1c34e74cc7db11dba6e089 SHA-1: c71f591052a6afa4df8c6559a6cc523a7a8dad08 SHA-256: 72006d4e528c880d31ceef0cf7775e40b0cbd7f7f738beb0f68e88d844717a9e
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is flagged as malicious. This suggests the document's primary purpose is to lure the user to this site, likely for a phishing or malware distribution campaign. No scripts were extracted, but the PDF structure and malicious link are strong indicators of malicious intent.

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-8787678-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8787678-0
  • 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+%D0%B2%D0%BA+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D0%BA%D0%B0%D0%BA+%D0%BD%D0%B0+%D0%B0%D0%B9%D1%84%D0%BE%D0%BD%D0%B5&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184433_kameru_s_pauzoy_na_android_s_yeffektami.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184311_skachat_bot_dlya_seosprint_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184407_sims_2_pitomcuy_skachat_torrent.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_off000242e9.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242E9 3556 bytes
font_01_sfnt_off0002506c.bin
945f4cdefb6e63d98d95c82bf0da1f1867085c7ab8031ee25915a9f8d3b7466f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2506C 14604 bytes
font_02_sfnt_off00027e47.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E47 14468 bytes
font_03_sfnt_off0002a8f9.bin
77c1b929fb7bee38880ec005c6ed93f6cef97aacfd6746b0a3138347184340c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8F9 6588 bytes
font_04_sfnt_off0002bbbe.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBBE 6084 bytes
font_05_sfnt_off0002cb53.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CB53 3752 bytes

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